 would-be assassin, Crooks, threatened to shoot up, quote, that's a quote here, in the New York Post, his high school, five years before he put the ex-president in his crosshairs, a detailed criminologist say, may offer a clue into the motive behind the assassination attempt. The future killer's warning was enough to keep dozens of Bethel Park High students home for the day. But the incident was dismissed by school officials at the time. Quote, we had, we had like,