
An in-depth look at some of the world's most dangerous murderers.

The American serial killer Cesar Barone took the life of four women in and around Hillsboro, Oregon in the 1990s.

A profile of Richard Roszkowski, the Connecticut triple-murderer who killed his ex-girlfriend, her nine-year-old daughter and another man in a brutal attack in 2006.

Arthur Shawcross, known as the 'Genesee River Killer,' was a serial killer who murdered eleven women from 1988 to 1990 in upstate New York.

Thirty-two years later, a convicted killer serving life for manslaughter is found to be guilty of having committed a second murder.