Ex-Los Angeles policeman, Christopher Dorner, declares war against law enforcement officers in California and goes on a cop killing spree. After an extensive manhunt Dorner is cornered near a ski resort in which Dorner refuses to surrender.

In March 2015, young co-pilot Andreas Lubitz crashes a German airliner into the remote French Alps and kills all 150 passengers aboard the flight. The flight's data recorder shows that Lubitz crashes the plane intentionally.

Texas teen Ethan Couch kills four people while drinking and driving in Ft. Worth Texas. The 16-year-old is sentenced only to probation. His attorneys argue that his affluent life is the cause of his reckless actions.

University of Virginia lacrosse player George Huguely goes on a binge that leads to a deadly encounter with his ex-girlfriend. His attorneys claim that her death is an accident - but a 63-minute police interrogation tape proves otherwise.

In Madrid, Spain, 191 people are killed and more than 1,800 injured in a mass murder that becomes the deadliest Islamic attack in Western Europe to date.

Collin Ferguson walks onto a Long Island Rail Road train in Queens and fires methodically at passengers over several minutes before he's disarmed and disabled by passengers.

Russian journalist, Anna Politkovskaya is a world-renowned writer and human rights activist. On Vladimir Putin's birthday, Politkovskaya is shot dead in the elevator of her apartment block in central Moscow.

On a warm October night, three bomb blasts tear through the tourist district of Kuta on the peaceful island of Bali. The attack kills 202 people and seriously injures 209 more.

Luca Rocco Magnotta has a pathological need for attention. When he fails to get famous by more traditional means he turns to the internet to make a name for himself.

Diana Whipple is a beloved lacrosse coach whose life ends suddenly when she is brutally mauled to death just outside her San Francisco apartment.

Wealthy young newlyweds take a honeymoon to South Africa. But within days of their arrival the trip goes horribly wrong. Their taxicab is high jacked and the honeymoon ends in murder.

When Patty Hearst, the daughter of a well-known media mogul is taken hostage by the SLA, America will be introduced to a bizarre psychological phenomenon known as 'Stockholm Syndrome'.

A Minnesota man kills two teenagers after they break into his home. He claims he was defending his property and feared for his life. Chilling audio captures the sounds of Smith shooting the intruders.

4 Men looking for work on the internet wind up on the business end of a gun. Who are these faceless killers luring victims to their death on social media?

A killer turns Phoenix Arizona into an urban hunting ground. As the bodies pile up both humans and animals turn up dead.