In 1914, the shooting of a Serbian nationalist led to the First World War; in 1994 an aircraft carrying Rwanda's dictator and the leader of the Hutu was shot down.
Mahatma Gandhi is shot by a nationalist Hindu; civil rights activist Martin Luther King Jr dies in an assassination attempt.
Ahmad Shah Massoud warned of an attack by the Taliban; a Russian agent accuses Putin of murder.
Explores how susceptible minds can be manipulated, transforming ordinary individuals into lethal assassins.