Thomas Matthew Crooks would President Trump in the ear, and mortally wound retired fire chief Corey Comperatore during a ...

The 20-year-old was shot dead by Secret Service after opening fire at a rally in Butler, Pennsylvania, on July 13, 2024.

Thomas Crooks’ cousin recalled the gunman’s father, Matthew Crooks, doing everything in his power to keep the two ...

At the time of his death, Crooks, who had shown a gift for engineering projects, had been working on homemade explosives.

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