Becoming Evil: Secret Language of Serial Killers

Investigate the ways in which killers used telephones, letters and other forms of communication to harass victim's families and brag to the police.

Uncover the dark side of advertising. From Jack the Ripper to the Son of Sam, serial killers have utilized branding, ad space, and other methods in chilling combinations to make themselves famous.

Explore the most common characteristic among serial killers: the need to tell authorities and the public how powerful they are by controlling life and death.

Discover how killers like William Hearns and Ted Kaczynski use their crime scenes as a form of self-expression, and how profilers and investigators piece together the clues left at these gruesome art exhibits to solve the case.

Talk about body language. See how serial killers like the Night Stalker use their victims as just another way to get their message out to the world.