Before he tried to assassinate Donald Trump at a campaign rally in Pennsylvania last year, 20-year-old Thomas Crooks went through a gradual and largely hidden transformation, a New York Times examination of the last years of his life found.
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The Quiet Unraveling of the Man Who Almost Killed Trump
Thomas Crooks was a nerdy engineering student on the dean’s list. He stockpiled explosive materials for months before his attack on Donald Trump, as his mental health eroded.