Detective Rick Buckner has to prove Keith Jesperson is the serial killer known as Happy Face Killer, guilty of murdering a woman in 1995, and has to make sure he is apprehended before he kills again.

America's first female serial killer wrote down her darkest secrets for her best friend while on Florida's death row. Now, for the first time, those secrets are revealed in detail as the written words of Aileen Wuornos tell us what really happened.

Follows the story and reality of Edmund Kemper, who appears to be a gentle giant who offers rides to young female hitchhikers, but is actually a perverted monster with a tormented childhood and dark sexual fantasies.

With access to hundreds of pages of police and FBI interview transcripts and personal testimony from family, friends, and survivors, the haunting story of how Jeffrey Dahmer went from shy adolescent to a notorious serial killer and cannibal is revealed.

In 2001, Los Angeles Police Department's cold case unit reopened the files on a series of unsolved murders from the 1980s. As police search for DNA evidence to unlock these homicides which occurred in the South Central Los Angeles area, they are stunned to discover a new victim 14 years after the last known murder. DNA evidence leads them to Lonnie David Franklin Jr., also known by the nickname 'The Grim Sleeper.' He was responsible for at least ten murders and one attempted murder in Los Angeles, California from 1985 to 2007.

Documentary about Gary Leon Ridgway, an American serial killer who was active during the 1980s and 1990s. He was known as the "Green River Killer."

Between 1971 and 1983, meek and mild Robert Hansen seemed to have it all; a loving wife and children, a successful bakery business, and world-record hunting trophies bringing him respect from his peers. But behind this carefully cultivated exterior lurked a cold-blooded serial murderer who confessed to killing 21 women, 17 of which were recovered. It was only due to the actions of a few dedicated Anchorage, Alaska police officers that "The Butcher Baker" was finally brought to justice.

Friends and family of some of Ted Bundy's victims speak for the first time. Also, exclusive and shocking audio archives from the serial killer offer an insight into his mind.