Inside the Mind of a Serial Killer - Season 1

Eddie Leonski, an American soldier stationed in Australia, strangles multiple women after becoming obsessed with the idea of stealing their voices.

Suspected of multiple murders, Angus Robertson Sinclair is tried, acquitted and then tried again - a first in Scotland.

Terrorist Anders Breivik claims he was compelled to commit mass murder in Norway because he believed the country to be broken.

A psychologist discusses her findings on Surender Koli, also known as the Slumdog Cannibal, who killed his victims before eating their remains.

Analysts examine the disturbing life of Australia's Mark Errin Rust, who was found guilty of multiple murders and sexual assaults.

Stephen Griffiths uses a crossbow to murder three women before being apprehended by authorities and tried for his crimes.

Joanna Dennehy, a female serial killer charged with three murders, makes a disturbing claim while being booked by the police.

A young serial killer takes extraordinary measures to avoid detection and uses long-buried murder kits to aid in his killings.

Anthony Sowell, also known as the Cleveland Strangler, lures nearly a dozen women to his home before raping and murdering them.

Witness a terrifying profile of French married couple Michel Fourniret and Monique Olivier, who kidnapped and murdered multiple girls and young women.