An investigator is on the hunt for an attempted puppy killer; An agent fears a breeder of sickly Great Dane puppies has failed to report a deadly virus; and a dog is badly injured after being hit by a car.
A cat is brought into the shelter with missing paws; investigators pursue a dog owner who failed to treat his broken leg; and an owner is confronted about his dog who can't walk.
A dog is brought into the shelter wearing a collar which has become embedded and has matted fur.
Investigators confront an owner whose six dogs are emaciated and have mange.
Having been called for an illegal dog fight, where they find three pit bulls in need of emergency care.
The Arizona Humane Society takes a look back at the dramatic cases where they intervened and made a difference between life and death of the animal.