Documentary about Steven Gerald James Wright who is an English serial killer, also known as the Suffolk Strangler and the Ipswich Ripper.

In 2011, extremist Anton Breivick carried out an attack that ultimately killed 77 people and injured 319. He first set off a car bomb in front of the Norwegian Prime Ministers Office, which killed 8 and later in the day made his way to an island where a youth summer camp was under way. He was dressed as a police officer and began shooting people at random. He shot countless numbers of youths and ended up killing 69 people using a mini 14 semi automatic assault rifle and a glock semi automatic pistol.

A documentary gives the inside story of Raoul Most who triggered the biggest manhunt in modern British history; After shooting his ex-partner and then going on to target the police in July of 2010.

The case of Andrew Phillip Cunanan who killed five people in 1997.

On January 8, 2011, 22-year-old college dropout Jared Lee Loughner shot congresswoman Gabrielle Giffords in the head at a meeting in a supermarket car park in Tucson, Arizona, before going on to kill six people and injuring 12 others.

Two troubled students go on a killing spree inside Columbine High School killing 13 people on April 20, 1999.