Serial Killers
S1, E6: Serial killers tend to choose their victims at random, with their murders having only one thing in common: the bodies are horribly disfigured. For investigators, they pose a huge challenge.

S1, E6: Serial killers tend to choose their victims at random, with their murders having only one thing in common: the bodies are horribly disfigured. For investigators, they pose a huge challenge.