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Are the majority of murders that occur between humans the work of psychopaths? Do we all have a killer instinct within us? Are we constantly more violent or are our societies moving towards a progressive pacification? There are currently various experts who are researching the origins and composition of homicidal impulses in humans.

One of them, David Buss, Evolutionary Psychologist at the University of Texas and author of ‘The Murderer Next Door: Why the Mind Is Designed to Kill‘, coincided with Eduard Punset at the festival at “La Ciudad de las Ideas” in Puebla, Mexico. Together they talked about the latest findings and hypotheses concerning the homicidal responses of our species.