Becoming Evil: Serial Killers

This 7-part season is filled with expert interviews and in-depth portraits of some of America's most infamous killers including John Wayne Gacy, David Berkowitz, Richard Ramirez, James DeAngelo, Aileen Wuornos, Jeffrey Dahmer, Andrew Cunanan, Ted Bundy and many others.

• Cast: Tom Kimball, Katherine Ramsland, Eric Hickey, Jack Levin, Kirk Gill