Carla van der Spuy & Henk Swanepoel 
Disturbed 

Why do people "lose their minds"? Chris Mahlangu did not just bludgeon Eugene Terre’Blanche to death, it was reported that Terre’Blanche’s body had been hacked and beaten 28 times with a steel pipe, a piece of broken steel from burglar bars. Seasoned crime writer Carla van der Spuy and clinical psychologist dr Henk Swanepoel examine five case studies of real-life South African violent criminals.