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An exciting night in Las Vegas results in the death of three people – one male dead in an alien suit, one male found dead in a bathtub, and one female found dead. The CSIs suspect that the killer is one of two suspicious men at the scene of the crime. However, the case becomes more complex when the team discovers that one of the dead males was holding a Polaroid of another dead male. Meanwhile, Greg’s replacement arrives at the lab.
Brass: Hey Gil, wait. You got something stuck to your shoe. Oh no, It's just Sanders.
Sara: (to a mirror) So I had some time to think while I was away...enough time to figure out why I made such a stupid mistake. I do not have a drinking problem...I have a *me* problem. My P.E.A.P. counselor suggested that it would be a good idea for me to talk to my supervisor...and that's you...Grissom. (pause) I never told you about my family...I never told anyone about my family, why would I--