Thomas Matthew Crooks threatened to "shoot up" Bethel Park High School five years before he attempted to assassinate Donald Trump.

A monthslong investigation by CBS News punctures Thomas Crooks’ secrecy to reveal the broadest portrait yet of the lonesome ...

Thomas Matthew Crooks, who attempted to assassinate Donald Trump at a rally in Pennsylvania, was described by former classmates as a bullied loner with a penchant for hunting outfits and video games.

Thomas Matthew Crooks (20) attempted to assassinate the presumptive Republican presidential nominee at Pennsylvania rally ahead of the RNC on Saturday.

He said Crooks never returned to try-outs for the remainder of high school. Thomas Matthe Crooks yearbook photo from Bethel Park High School.

This June 3, 2022, still image taken from a video provided by the Bethel Park School District shows student Thomas Matthew Crooks in the 2022 Bethel Park High School Commencement in Bethel Park, Pa.

Thomas Matthew Crooks - the 20-year-old man who attempted to assassinate Donald Trump - has been described by former classmates as a bullied loner with a penchant for hunting outfits and video games.

Shooter Thomas Crooks is pictured in a yearbook photo. His school counselor has now said there were no reports of him being bullied at school (AP) ...

Donald Trump shooter Thomas Matthew Crooks' yearbook photo from Bethel Park High School. Crooks body was "gone" when Clay Higgins tried to examine it, according to a new report.

Thomas Matthew Crooks, the 20-year-old would-be assassin who shot Donald Trump, was once rejected from his high school rifle club and considered a danger.

Crooks was just 15 years old when he allegedly made the threats in 2019 — the same year his image was noticeably absent from the high school’s yearbook.

Thomas Matthew Crooks (20) attempted to assassinate the presumptive Republican presidential nominee at Pennsylvania rally ahead of the RNC on Saturday.