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

In 2003, Kenneth Regan and William Horncy murdered a millionaire and his young family.

Laura Al Shatanawi disappeared, and detectives uncovered the tragic truth behind her husband Hassan.

The first woman executed by lethal injection after taking six lives.

A serial killer brutally snatches away the lives of eight innocent women during a decade-long killing spree in Louisiana.