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

A cold-blooded serial killer takes the lives of eleven people during a terrifying decade-long murder campaign.

Lonnie David Franklin Jr. is better known by the nickname Grim Sleeper.

Less than 20 minutes after dropping her children off at school, Rachel O'Reilly is murdered.

An investigation into the man known as the Babes in the Wood Killer.