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

A 23-year-old killer murders 17-year-old former head girl Georgia Williams in 2013.

Lee Ford kills his wife and four stepchildren in a cold-blooded murder spree over 24 hours in September 2000.

One of the most prolific serial killers in Canadian history is dubbed "The Pig Farmer Killer" by the media.

The story of the Beltway sniper attacks; John Allen and his teenage accomplice carry out a brutal series of shootings that kill ten people.