Emails and essays obtained by CBS News shed new light on Thomas Matthew Crooks, the 20-year-old who opened fire at a Trump rally in Butler, Pennsylvania.

Butler County Sheriff Michael Slupe told the AP that a local ... video provided by the Bethel Park School District shows Thomas Matthew Crooks in the 2022 Bethel Park High School Commencement.

Undated photo of Thomas Matthew Crooks. Obtained by ABC News On the ... according to Butler County Sheriff Michael T. Slupe. It was at this point that Crooks began firing his weapon toward Trump ...

The Secret Service was warned about Thomas Michael Crooks and designated him as a “threat” 10 minutes before former President Donald Trump took the stage, but allowed him to go on anyway ...

Failed Donald Trump assassin Thomas Matthew Crooks’ high school further deepened ... former FBI terrorism task force supervisor Michael McKeown told WTAE of the unearthed searches.

Butler County Sheriff Michael Slupe doubled down on his defense ... Would-be Trump assassin Thomas Crooks visited gun range dozens of times — including Christmas — for ‘intense preparation ...

BUTLER, Pennsylvania, July 17 (Reuters) - - Thomas Crooks was pacing next to a warehouse ... according to Butler County Sheriff Michael Slupe, a Trump backer who was seated near the front of ...

This story is also available in Spanish / Lee este artículo también en español: Lo que podemos verificar sobre Thomas Michael Crooks, el sospechoso en el atentado contra Trump ...

The day before the shooting, Thomas Matthew Crooks went to a local shooting club ... according to Butler County Sheriff ...