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Infamous law enforcement trainer Dave Grossman is bringing “Killology” to hospitals and high schools
Over the course of the last twenty years, retired Lieutenant Colonel Dave Grossman has risen to become the go-to expert for US law enforcement, traveling across the country giving seminars to police and sheriff’s deputies through his incredibly-named Killology Research Group. Records regarding one such training show Grossman’s interest in branching out, bringing “the Bulletproof Mind” to hospitals and high schools.