A central tenet of many world religions is a prohibition of killing. Despite this, members of virtually all faiths and none are able to justify the taking of human life in what they consider to be the appropriate context. Why We Kill examines psychological, ethical, political, and moral justifications for extremes in human behaviour through a discussion of the different types of killing and how people are able to maintain apparent contradictions in their moral beliefs. The main aim of this book is to explore human behaviour through the various perspectives on killing in different contexts....