Norway Massacre The Killer's Mind: In 90 minutes of madness, 32-year-old Anders Behring Breivik killed 69 young people. The film pieces together Breivik’s day of terror hour by hour, from the time of the bomb he set off in Oslo, to the cold blooded shooting of defenceless youngsters on the remote island beauty spot of Utøya. Who is this man, and what made him act?