The psychology of killing and its hidden costs

The psychology of killing and its hidden costs

March 30, 2026

About this episode

The episode discusses the psychological cost of killing and its implications for military and law enforcement, featuring an interview with Lt. Col. Dave Grossman.

Informed Dissent with Dr. Jeff Barke and Dr. Mark McDonald – Jeff and Mark interview Lt. Col. Dave Grossman on the psychological cost of killing, the realities faced by military and law enforcement, and strategies to prevent school shootings. He also warns about the risks of cell phones in schools and their impact on safety, behavior, and emergency response systems...

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