Mass shooters do not often end up on trial. Many are killed or take their own lives in their attacks, some leaving behind a manifesto explaining why they acted, others leaving a mystery. From the testimony of prominent psychiatrists and aging relatives emerged a portrait of the gunman, Robert Bowers, that was at once shocking and strangely familiar. It depicted an isolated, unhappy man who had grown obsessed with dark and deranged ideas, such as the notion that Jewish people were part of a conspiracy to destroy the white race. “But when you have seen this promoted for 20 years, 40 years, among thousands and thousands of people, in their books and the propaganda and online forums, it’s clear that these are subcultural beliefs.”

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Persons: Robert Bowers, “, Park Dietz, ” Locations: Pittsburgh