Duncan Cartwright, Ph.D., is head of the Centre for Applied Psychology, Psychology, University of KwaZulu-Natal, Durban, South Africa. He is the author of Murdering Minds: Psychoanalysis, Violence and Rage-Type Murder (Brunner-Routledge,2002) and Containing States of Mind: Exploring Bion’s Container Model in Psychoanalytic Psychotherapy (Routledge, 2010).