When a fourth woman goes missing in Seattle during the course of four months, the team is brought in to profile her captor and find him before he strikes again. Gideon, who has taken a six month leave of absence since running lead on a case in Boston that ended in disaster, is asked back to help crack the case. While the team works to hunt down the serial killer, Hotch is asked to discreetly evaluate whether or not Gideon is really ready to return to full-time duty.
The team is dispatched to a college campus to investigate a series of arson fires that have killed several people. The unsub seems to have a compulsion regarding the number three.
Gideon suspects that a serial bomber attacking a small town is actually a disciple of Adrian Bale, his greatest nemesis.
The Behavioral Analysis Unit is on the trail of a serial bomber who turns out to be a copycat of Adrian Bale, the bomber responsible for murdering Gideon's previous team of profilers in Boston several years prior. Gideon must confront his old nemesis face to face in order to get important information that could help them catch Bale's protégé.
The Behavioral Analysis Unit travels to San Diego to profile a rapist and murderer who commits his crimes in the middle of the day.
The suspect attacks in the light of day, yet blends so seamlessly into the neighborhoods he targets that local authorities have been unable to catch him. The BAU team creates a profile to aid in the investigation, than heads out into the field to catch the killer before he strikes again.
When the daughter of a U.S. District Attorney is kidnapped, the suspect attempts to take her twin sister as well.
The Behavioral Analysis Unit quickly determines that the kidnapper isn't after money -- he's after the victim's twin sister. Now, they must determine how to save the original victim without putting her twin in danger, which becomes even more complicated when it becomes obvious that the kidnapper is somehow always a step ahead of them.
The Behavioral Analysis Unit is called in to identify a killer who is shooting at victims in broad daylight.
As the attacks begin to escalate, Hotchner and his team work with local law enforcement to recreate one of the shootings in an effort to stop the violence before it escalates any further. However, a shocking turn of events leads the team to change their profile entirely with surprising results.
The team attempts to catch a killer who preys on families while they are supposed to be away on vacation.
When an undercover cop is taken captive, the Behavioral Analysis Unit believes a serial killer is responsible.
Hotchner and Gideon must move quickly to save Elle and the other passengers taken hostage on a train by a delusional fellow passenger who threatens to kill them all.
When a paranoid schizophrenic passenger has a delusional episode on board a train, Hotchner and Gideon must play into his fantasy in order to save the people he has taken hostage. To that end, they send in Dr. Reid who tries to convince the man that he agrees with his skewed view of the world in order to get Elle and the other passengers safely off the train.
Hotchner and his team investigate whether or not two high school students murdered in a small town may have been victims of a cult killing.
Based on the crime scene evidence, the FBI profilers begin to believe that it's possible that someone other than a cult member may be responsible for the teenagers' deaths. The whole town turns out to help with the investigation, not knowing that the profilers suspect the killer may be one of their own.
Hotchner and his team attempt to get inside the mind of a psychotic killer whose fantasies lead him to murder.
The murders are disorganized and erratic, making it hard for the team to put together a pattern of intent. However, when Gideon uncovers similar evidence at more than one of the crime scenes, it gives the profilers the key element they need to help them understand the psyche of the killer.
When a young girl is abducted in broad daylight from a neighborhood playground, the FBI profilers initially think that her father is responsible for her disappearance. However, when the girl's dad turns up later with a credible alibi, the team must turn their attention to the seemingly safe neighborhood in which the child lives to find clues as to who might be responsible for her kidnapping.
Gideon, Hotchner and their team attempt to catch a suspect who has poisoned multiple residents of a small town.
After determining that the suspect used LSD and "ruphies" to poison the town residents, the team must next identify what type of poisoner they are dealing with, such as vengeful or prankster, in order to ascertain his motive.
As they piece together a profile, they become certain that the poisoner intends to strike again and set out to stop him before he can claim any more victims.
The FBI profilers interview husband and wife serial killers two days before they are set to be executed.
As the interviews progress, Gideon begins to suspect that the wife may be innocent of the crimes committed. Racing against the clock, the team sets out to prove she was one of her husband's victims, rather than his partner in crime, before it is too late.
Gideon, Hotchner and their team reopen the unsolved case of a serial killer who has attacked someone for the first time in 20 years.
The serial killer resurfaces after 20 years of silence and contacts the Behavioral Analysis Unit with the promise that he will kill another victim in the next five days. As the team springs into action, Gideon enlists the help of a former colleague who worked the case when it was fresh to help find the killer.
The BAU team investigates the mass murder of five college students killed in a method similar to that used by a local Native American tribe in times of war long ago.
Gideon, Hotchner and their team believe that a pack of killers who are part of a dangerous cult may be responsible for the student deaths. They interview the residents of a nearby Indian reservation, as well as citizens of the surrounding community, in an attempt to track down the killers. Meanwhile, Hotchner's handsome younger brother pays him a surprise visit at the Behavioral Analysis Unit headquarters.
Gideon, Hotchner and their team investigate a series of killings that appear to be the work of a vigilante.
At first, the murders taking place in Manhattan seem random, but then the NYPD begins to fear that the serial killer is copying the infamous "Son of Sam." When the Behavioral Analysis Unit is brought in to help with the case, they discover a link between the victims that leads them to a vigilante taking revenge on criminals let go by the justice system.
Dr. Reid falls for a Hollywood starlet at the center of a murder investigation. When people surrounding the successful television actress start dying, Gideon and Dr. Reid call in the rest of the Behavioral Analysis Unit to assist with the case. As the team tracks down a stalker turned serial killer, Dr. Reid finds himself in danger as he grows closer to the actress in jeopardy.
Gideon, Hotchner and their team head to Mexico to aid in the investigation of a serial killer who preys on the elderly.
The Behavioral Analysis team initially faces resistance from local law enforcement officials, whose investigative techniques differ greatly from those used by the team in domestic cases. However, when another person is murdered, the two factions join forces in order to track down the killer before he strikes again. Meanwhile, Hotchner is torn between life at home with his wife and newborn child and his responsibilities at work.
Gideon, Hotchner and their team race to catch a serial killer on the run across the South. The serial killer changes his appearance like a chameleon in order to elude authorities and continue his killing spree. It is up to the Behavioral Analysis Unit to look beyond his multiple appearances and profile the man underneath in order to locate him before he takes his next victim.
The CIA takes over the FBI field office when Gideon and the team are called in to profile a CIA mole. The mole is leaking classified information from within the CIA, putting the lives of several operatives at risk. During the team's investigation, the CIA takes over the Behavioral Analysis Unit offices and computers in order to prevent any further security leaks. Working under these extreme circumstances, Gideon, Hotchner and the rest of the team must work swiftly to expose the mole before more lives are put in danger.
After each receiving mysterious items while on their respective vacations, Gideon, Hotchner and the rest of the team reconvene at the BAU offices in order to put all of the interlocking clues and messages together in the hopes of solving the case.
Instead of focusing on the personal aspects of the case, Gideon tells the team to profile the killer as they would in any other investigation. While the team splits up to hunt down the killer, Dr. Reid stays behind to work on the clues -- and uncovers a personal connection that cannot be ignored and could crack the case wide open. Meanwhile, one of the team fights for their life.
An ex-profiler, who now heads up the FBI's "Innocent Images" unit, an undercover operation dealing with child pornography, enlists the team to help identify and save the young boy who is being held prisoner and sold to the highest bidder by a child pornographer. With time running out, the team races to save the child's life.
The suspects send out DVDs of their actions after each incident, escalating the crimes to include psychological attacks on the victim's families. The FBI profilers determine that they are looking for two individuals working as a team but are surprised who is ultimately responsible for the murders.
The profilers are brought onto the case when it becomes clear that the perpetrator's behavior is escalating from simple crimes for profit to abusing his captives. The team believes his motives are not based on money and must identify what is causing his behavior to become more violent in order to catch the culprit.
The team is asked to assist with the case when the rapist resumes his crime spree, this time focusing his attention on a different demographic of women. During the investigation, Elle makes a critical decision that could let the rapist go free and, ultimately, impact her career with the Behavioral Analysis Unit.
The profilers interrogate the members of a small town in mourning after a second murdered child is discovered in as many weeks. Meanwhile, Elle has trouble recovering and readjusting to the challenges of her job after being attacked in her own home.
When three college athletes disappear the night of a football pep rally, the BAU look to outsiders who didn't attend the rally for clues to the girls' abduction. J.J., originally from a small town, is instrumental in forming the profile and moving the case forward.
The Behavioral Analysis Unit must help identify and catch a serial bomber terrorizing the city of Seattle. Through their investigation, the BAU meets Professor Kent, the author of a science fiction novel that denounces technology and has become a type of guidebook for the bomber. With her help, the team attempts to figure out why these sites are chosen as targets before anyone else is seriously injured.
Paget Brewster joins the cast as Emily Prentiss, a new agent assigned to the Behavioral Analysis Unit. To her surprise, she has to immediately fight suspicions of nepotism (her parents are high-powered diplomats) as she was placed in the BAU without Hotch or Gideon being notifed.
Meanwhile, the team is dispatched to Saint Louis to track down two serial killers operating concurrently but independently. The killers' M.O. and victims are vastly different from one another, yet the team discovers a surprising connection.
Gideon, Dr. Reid and new team member Emily Prentiss travel to Guantanamo Bay to interrogate the leader of the terrorist sleeper cell being held prisoner who holds valuable information that could help prevent a major national disaster. Prentiss, who speaks fluent Arabic, uses this opportunity to prove herself worthy of joining the team. While Gideon interrogates the terrorist, Reid analyzes the prisoner's body language in order to determine whether or not he is speaking the truth. While they attempt to gain information from the terrorist leader, the rest of the team works the case stateside.
A troubled young man who fears that he may be a serial killer in the making describes his fantasies about killing prostitutes to Reid. When several hookers turn up dead in the Washington D.C. area, the young man becomes the prime suspect in their murders.
When Morgan goes home to see his family in Chicago, he's arrested as a serial killer by a detective who used a profile that Gideon had sent to him after reviewing the case. The team flies to Chicago to find the real murderer and exonerate Morgan.
When the BAU locates the alleged serial killer in a remote desert diner, the local authorities are eager to take action, but Gideon insists that they wait when it becomes evident that the murderer is keeping another secret from them. As Gideon and Morgan attempt to ply information out of the suspect, the rest of the BAU team studies the killer's tracks to try and uncover what keeps him coming back to the same isolated town year after year.
Hotchner and the BAU team fear they are facing a mission-based serial killer, or multiple killers, when a 911 phone call quoting bible passages from Revelations is placed by someone in the house just seconds before the murders occur. As the team begins their profile, Garcia discovers that the tech-savvy unsub (unknown subject) sent out a video of the murders over the Internet just hours after they were committed, which is viewed by millions of users. Meanwhile, Hotchner, Morgan and Prentiss must determine how many people are actually responsible for the murders since different voices can be heard on the 911 recording and on the video.
The BAU team's hunt for a serial killer becomes personal when they discover that the unsub has kidnapped Reid and is streaming a live feed of him being beaten and tortured.
With community leaders in an affluent, predominately white New York suburb fearing the worst, Gideon and the rest of the BAU team arrive to investigate the murders of young African American teenagers who are found beaten and strangled. With little to go on and evidence that continually leads to dead ends, the team must work quickly to determine if the crimes are the result of a racially-charged serial killer before the potential fall-out from the crimes leads to even bigger problems.
The BAU team travels to Houston to investigate a series of seemingly random murders at construction sites. At first, Hotch, Gideon and the team believe they are dealing with a homeless vagrant who is terrorizing a Houston neighborhood slated for revitalization. But after viewing satellite photos of the crime scenes, the BAU team realizes that the UnSub left an SOS distress signal at one of the murder locations and they begin looking for a man with a military background. Meanwhile, the team notices a distinct change in Reid's demeanor.
The BAU team travels to New Orleans to track a serial killer who is again killing men throughout the city after a 15 month break. New Orleans officials believed that the serial killer that haunted the streets of the city was killed in Hurricane Katrina since the murders ended. With all of the case files and evidence missing in the hurricane's aftermath, Hotch, Gideon and the team have only one clue to go on -- a single word, "Jones," written on the wall of the lead detective's office just moments before he died in the flood waters. Meanwhile, Reid struggles with the aftermath of being taken hostage and meets up with an old rival.
Hotch, Gideon and the BAU team link the arson victims together through corporate development firms accused of building on contaminated land and track their wanted arsonist through a radical environmental group that uses fire to spread their message.
Agent Prentiss' mother, a foreign ambassador, enlists the help of the BAU team when a Russian immigrant is kidnapped and held for ransom. While searching for the kidnapped man, whose captors are sending the victim's body parts to the family, the BAU team uncovers ties to the Russian mob who live by a strict code of conduct.
The BAU team investigates when the bodies of several missing people turn up in a remote section of the Idaho wilderness. After determining that the victims had been taken from one place and transported deep into the woods, the BAU team discovers the UnSubs they are searching for have a new sport -- hunting humans.
After receiving a tip from a local detective, the team travels to Kansas City to investigate a report of homeless people mysteriously disappearing from the city's streets.
Gideon takes off to hunt Frank, an elusive and prolific serial killer, without telling the BAU and the team must profile Gideon as a suspect in order to find them both.
After shutting the campus down, Gideon, Hotch and the BAU team create a detailed profile of their UnSub, but when the killings on campus continue after they take a suspect into custody, the team begins to doubt themselves.
Hotch requests a transfer, Prentiss resigns and Gideon is missing, leaving the team three people short as they track a serial killer in Milwaukee who abducts women in very public places.
Hotchner and the team track down a serial killer who exploits his role as a psychiatrist to find out his victims worst fears, then uses that fear as a means to kill.
Hotchner and the team suspect that two suspects may be working together in a series of brutal home invasions and murders taking place in a Denver suburb.
When a child is abducted at a local mall, the BAU locks down the area and profiles the people at the scene in order to retrieve the child before it is too late.
Hotchner and his team must find a murderer who posts "Missing" fliers of his victims, where he knows they will see them, in advance of kidnapping and killing them. Senior agent David Rossi comes out of retirement to take up the slack left in the wake of Gideon's abrupt departure.
When one half of a serial killing duo, a former militia member, commits suicide when caught by authorities, Hotch and his team must race to identify and apprehend his partner and save his victim.
The pursuit of a cannibalistic serial killer forces Morgan to question his faith. Meanwhile, Garcia meets the man of her dreams, but her first date with him ends unexpectedly.
The team unites to determine if Garcia's life is being threatened by a serial killer.
A famous comic-book artist is instrumental in the hunt for a serial killer.
A series of murders in rural Virginia has the BAU team investigating a link between this killing spree and a similar case two decades ago.
The Behavioral Analysis Unit profiles a serial killer who abducts two teenagers and murders one, and who will kill the other teen if they don't stop him in time.
When the contents of a self-storage unit reveal the grisly early makings of a serial killer, Hotchner and his team must profile the contents in order to catch him.
When Rossi decides to revisit an unsolved case from his past, the BAU team steps in to help him unravel the circumstances behind the mysterious murder of two young parents nearly 20 years before.
When the suicide rate spikes in a Pittsburgh neighborhood, the BAU team suspects the deaths may actually be the result of a serial killer who believes he is an 'Angel of Death'.
Hotchner and his team investigate a spree of killings in a small Texas town involving a teenage boy and his girlfriend.
Hotchner, Rossi and their team travel to Miami to catch a serial killer whose conflicted sexual identity fuels his crime spree. During the trip, J.J. meets up with a former colleague who turns out to be more than a friend.
An obsessed man has crossed the state line to follow he has been stalking. Also, Hotch and Rossi investigate a case in which a woman has killed her husband and claimed she was the victim of battery.
The reawakening of a criminal from a four year coma opens up a serial killer case, although he claims no recollection of the crimes.
When people who seemingly have nothing in common are shot at random in New York City, the BAU team is called to investigate whether a single serial killer or a team working together is responsible for the killing spree.
When an SUV carrying members of the BAU explodes, the rest of the team fight to save their colleagues and catch the terrorists responsible for the bombing.
When a series of murders are linked to a serial killer who was executed a year ago, the BAU must find the connection between him and the current killing spree.
When Prentiss and Reid go undercover to investigate possible child abuse at an underground cult, they get trapped inside the compound when a federal raid goes bad.
A serial killer who disguises his victims' demise by creating car accidents to mask their earlier deaths is the subject of a BAU manhunt.
A serial killer who jumps trains and targets people living near the railway is the subject of a BAU manhunt.
While investigating the kidnapping of a young boy in Las Vegas, Dr. Reid begins to have dreams that may help reveal some buried memories from his childhood.
Dr. Reid embarks on his own investigation into the murder of a young boy years earlier in Las Vegas that he strongly believes has a connection to his own childhood.
The team must profile a self-confessed serial killer who turns himself in, but sends them on a massive manhunt to find his latest victims before it is too late.
Agents Prentiss and Todd go undercover to profile a pickup artist who uses his skills of persuasion to lure women into danger.
A BAU case hits close to home for Morgan, who was a cop before joining the team, when a serial killer specifically focuses on members of the police force in Phoenix, Arizona.
The team investigates a serial killer dubbed "The Road Warrior," a suspect who kills luxury car owners while they are driving on freeways in Southern California.
The BAU team suspects a member of an affluent community in Atlanta is responsible for the disappearance of a local young woman and that the suspect may have worked with an accomplice.
The BAU team becomes involved in the case of a family working together to abduct young women.
The team must track down a killer who embalms his victims before a fourth girl is killed.
The team pursues a copycat serial killer who is recreating the techniques used by past famous murderers.
The team searches for a female suspect who uses her professional skills as a high class call girl to lure and kill high-powered executives.
Agent Prentiss has a personal connection to one of the victims in a series of deaths with religious overtones.
Agent Hotchner revisits the first case he worked at the BAU when details come forth that one of the deadliest serial killers in New England's history has struck again after a 10-year hiatus.
The BAU team must track down a serial arsonist who instills fear in a small town by setting fire to community meeting places and killing several residents in the process.
The team travels to South Padre Island during spring break to find a serial killer who is targeting college students on vacation.
When profiling a series of child abductions and murders, the team discovers that one of the cases may not be the handiwork of the serial killer they apprehended.
When the team is sent a videotape from a serial killer detailing one of his crimes, they discover a hidden message asking them to help him stop his murderous ways.
An unsub who kills with his car is the subject of a BAU investigation.
When a new type of chemical warfare is released into the open air, the BAU must act quickly to find the source before any more innocent people are exposed.
The BAU tracks a serial killer who chooses junkies, prostitutes and the homeless off the streets of Detroit and takes them across the border into Canada. After solving that case, another killer returns to exact his revenge.
The BAU tracks a serial killer who chooses junkies, prostitutes and the homeless off the streets of Detroit and takes them across the border into Canada. After solving that case, another killer returns to exact his revenge.
Hotch's unexplained absence quickly becomes apparent when the team is called back together to profile a killer who is targeting an emergency room doctor.
When a disturbed man kills several people at a pharmacy, the BAU must figure out what triggered his actions before he hurts anyone else.
The BAU investigates a case in Rossi's hometown that involves both his personal and professional life.
When vandalism escalates into violence, the BAU must track down a pack of unsubs who kill their victims for the thrill of it.
The team tries to find a suspect who is known for making young woman pregnant and then kill them after they've given birth.
The team attempts to catch a serial killer who kills his victims and keeps their eyes as souvenirs.
The BAU team investigates the mystery behind a trail of murders that all seem to align with the tour schedule of a rock star.
The BAU team is tracking down a family annihilator, but need to take a break from the case to get advice from "The Fox", which is a horrific killer from the team's past. "The Fox" surprises the team with a ominous message for Agent Hotchner.
Hotchner needs help to find The Reaper and save his own family before it's too late.
The team needs to reunite in order to solve a home invasion case, while Agent Hotchner may have to leave the team.
When a criminal escapes from custody and starts a killing spree, the BAU must first profile his past in order to catch the criminal.
While Hotch has problems returning to work, the BAU investigates an abduction case in which an unusual personal obsession is at the center.
The BAU team investigates a rash of startling teen suicides in a small Wyoming town.
The BAU follows the mental decline of a con artist whose schemes have become so complicated that he begins to eliminate the people involved in them.
The BAU investigate a serial killer who seems to be targeting quite random victims in highly-visible places, only to intentionally create a sense of public fear.
The BAU profiles a child abductor who may have been keeping children for more than eight years.
A truck driver is kidnapping women and disposing of them in random locations and the BAU must find out his motive in order to catch him.
The BAU team travels to San Francisco to investigate the murders of several homeless men and teams up with a separate group of BAU operatives who are working another case they think is connected.
Illegal immigrants entering the country are being targeted by a serial killer, so the BAU is called in.
The BAU team must profile a serial killer covered in tattoos who commits suicide, but leaves clues to the whereabouts of his last victim
Garcia joins the BAU team's and goes to Alaska where several people have been murdered in a small town.
The BAU team are brought in to profile a serial killer who uses the internet and locates his victims on social networking sites.
A series of rolling blackouts in the city of Los Angeles lures a serial killer out of hiding, giving him renewed opportunities to continue his killing spree
As the murderer continues his murder spree with Detective Speicer's daughter as his hostage the team do everything they can to catch him.
While JJ attempts to reunite a family whose daughter has mysteriously disappeared, her BAU family braces for the loss of one of their own
When several women are found murdered in a similar fashion, Rossi revisits a cold case that has haunted him for 25 years, causing him to suspect that the original killer is at work again.
Because of JJ's departure Hotchner is looking for someone from the team to take over her duties, meanwhile, the team is searching for a serial killers who goes after married couples.
The BAU team is on the trail of a serial killer targeting families throughout the Midwest. Meanwhile, Morgan is concerned when Ellie runs away from her foster family and pays him a visit.
For the past three years a killer has been active in Detroit during the pre-halloween celebrations, but this year the BAU is there to catch him.
As bodies of exotic dancers start turning up in the middle of cornfields in Indiana the BAU is called in to help the local sheriff.
When a kidnapped woman is found murdered in an alley in Georgetown, the BAU team goes on the hunt for the killer before he can strike again.
When an 8-year-old is found murdered on the Appalachian Trail, the BAU team goes deep into its forests in search of a man lurking in the wilderness who is targeting children
The BAU searches inside a gated New Mexico community for a killer targeting women, and Hotchner looks to an FBI cadet with a unique past for help with the investigation.
Morgan believes a prisoner has been rehabilitated and helps him get paroled, but soon regrets his decision as the man murders someone.
As the BAU travels to Miami to investigate a series of bizarre, ritualistic murders, Reid suffers a series of blinding headaches and hallucinations that leave him concerned for his health.
The BAU hits the road to track down a pair of young lovers on an interstate murder spree. Also, Prentiss hears frightening news from her former boss at Interpol.
The BAU travels to Los Angeles to investigate unusual murders throughout the city. Also, more of Prentiss' mysterious past comes to light.
The BAU is called to upstate New York to investigate mysterious disappearances. Also, Prentiss gets some disturbing news about one of her former Interpol colleagues.
Reid makes a connection with an autistic child that could assist the BAU in finding the boy's missing parents. Also, Prentiss enlists two former Interpol colleagues in hunting an old nemesis.
After a series of suspicious murders occur, Prentiss suspects her old Interpol nemesis, making her fear for the safety of her BAU team as he closes in on her.
Prentiss is ready to confront her nemesis, Ian Doyle, once and for all. Meanwhile, the BAU calls upon JJ to help them find Prentiss and capture Doyle before it's too late
When a gang of suspected murderers begins targeting a new victim each night, the BAU travels to Portland to head them off before they can strike again.
As the BAU investigates targeted killings in Tampa, they also deal with their own feelings about the loss of Prentiss
The BAU hunts a stalker in San Diego who is targeting college students. Meanwhile, the team comes under Strauss' scrutiny in the wake of the loss of Prentiss.
The BAU is called to a North Carolina mountain town after a woman is found badly injured and another is missing, and they discover that these two are not the only victims.
The BAU is Florida-bound to investigate bodies discovered buried in the ocean floor off Jacksonville, but the case rattles Morgan when his aunt suspects that her missing daughter is one of the victims.
The bodies of two missing persons are found in a car trunk, and the BAU suspects that an interstate human trafficking ring is at work. Also, Hotch warns the team of possible changes, and they are surprised when a beloved team member returns.
The BAU team is at a crossroads as they are questioned by a Senate Committee for their retaliatory actions in the wake of Prentiss' loss, but an unexpected familiar face could help them win their case and keep the team together.
The BAU team searches rural Oklahoma when women are being found murdered after being robbed of one of their five senses. Also, JJ and Prentiss get the cold shoulder from Reid as he deals with their deception about Prentiss' presumed death.
The BAU team investigates a mass murder at an Internet security company in Charlottesville, Va., but clues reveal it is not a typical serial killer at work. Also, Prentiss must complete recertification training under Morgan's watchful eye.
Survivors of a Boise high school massacre return to remember the event 10 years later, but the BAU team is called in when a new killer with a similar style targets the survivors. Also, Hotch is worried that his son, Jack, may be a victim of school bullying.
The BAU team investigates the abductions of young children with troubled mothers in St. Louis. Also, Rossi reconnects with his first wife who has shocking news for him.
The BAU search California's Angeles National Forest after a number of bodies mysteriously turn up in the mountain lakes there. Also, Rossi struggles with an agonizing decision regarding his ex-wife.
When a series of tornadoes hits Kansas, the BAU is called in to investigate bodies of young boys that turn up in the aftermath of the storms. Also, work pressures cause tension on JJ's home front.
It’s personal for Garcia when the BAU investigate the disappearance of a woman in her survivors’ support group whose daughter went missing seven years earlier.
The BAU team looks into the real reasons behind an apparent mass suicide of a small group of youths at a military academy. Also, Hotch and Morgan butt heads when a team member could be in jeopardy.
The BAU team investigates a string of brutal bludgeonings in Philadelphia and is led to the city's boxing scene in search of the killer. Also, Hotch makes a connection with an attractive runner as they both train for a triathlon.
A series of murders in San Francisco bearing the tell-tale signs of the infamous Zodiac Killer have the BAU wondering if the notorious serial killer has returned. Also, Reid ponders if he should be doing more with his genius abilities.
The BAU team searches for a serial rapist in Houston known as "The Piano Man" who has resurfaced and is assaulting his previous victims. Also, Prentiss tries to come to terms with her trauma from last year and with rejoining the team.
The BAU tries their luck in Atlantic City when the team is called in to investigate a series of ritualistic casino-related murders. Also, after a spat with her boyfriend, Kevin, Garcia thinks she and Morgan may have gotten a little too friendly with each other.
The BAU team hit choppy waters on the beaches of Southern California when they discover a series of bodies hidden in lifeguard towers along the coast.
The BAU team investigates a series of brutal home invasions and murders in California's Inland Empire that appear to be gang-related, but their investigation may uncover a more sinister motivation.
When the BAU travels to Atlanta to investigate the murders of women, the clues lead them to look for an unsub who is not working alone.
When married couples fostering young children end up being killed in Seattle, the BAU team looks for an unsub with a maternal-yet-murderous instinct. Also, Garcia fears a possible proposition from Kevin.
The BAU searches for a kidnapper after an emaciated boy is found in an Arizona desert and another boy disappears. Meanwhile, Morgan uses his own scarred past to bond with the rescued kid.
The BAU team heads to Oregon to investigate a series of gothic, ritualistic murders
When Morgan's sister sees a woman who looks like their presumed-dead cousin, Cindi, it forces Morgan to confront a lie he told his family last year to provide closure and compels the BAU to reopen the case of her disappearance.
After a notorious serial killer is executed, a copycat begins murdering women in the same Oklahoma town and in the same fashion, and the BAU team must act fast before more victims are found. Also, Prentiss gets nervous at the thought of a major real estate purchase.
Rossi and the team present one of the longest-tenured serial killer cases to college students, and they take the class through a nearly 20-year chase for the murderer
When the BAU goes up against a gang of serial-killing bank robbers in Washington, D.C., the team tries to negotiate the situation unfolding inside the bank, but the stakes rise when one of their own becomes a hostage.
As the BAU team continues to pursue the bank-robbing serial killers, the team determines that the suspects have a bigger target in the Nation's capital, and with one of the team still a hostage, they must work quickly to diffuse an explosive situation. Also, wedding bells ring for one of the BAU, and Prentiss ponders her future.