Best known for teaching a «killology»
class to
police officers across the
country (
in one such
class recorded for the documentary Do Not Resist, he told
police trainees that they would enjoy the best sex of their lives after they killed someone, a «perk» they should «relax and enjoy»), Grossman wrote a book
in 2016 titledAssassination Generation: Video Games, Aggression, and the Psychology of Killing,
in which he argues that video games were creating a generation of violent murderers who could only be stopped with more guns.