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

American serial killer Richard Trenton Chase brutally murdered six people within one month.

Young Natalie Jarvis was killed by Adam Whelehan, whose cruel and cowardly plot was exposed by investigators.

Experts look back on the crimes of John Cannan as he moved in and out of prison.

Serial killer Edmund Kemper killed six young women in the Santa Cruz, Calif. area and several members of his family; at the age of 15, he killed both his grandparents to see what it felt like.