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.

“Much bleeding took place, so I realized then what was happening. GOD BLESS AMERICA!” The FBI has named the shooter as Thomas Matthew Crooks. In a statement, the agency said: “The FBI has ...

Secret Service agents jumped into action to rush a bleeding Trump offstage immediately ... Would-be Trump assassin Thomas Crooks visited gun range dozens of times — including Christmas ...

"The FBI has identified Thomas Matthew Crooks, 20, of Bethel Park ... and immediately felt the bullet ripping through the skin. Much bleeding took place, so I realized then what was happening." ...

Donald Trump and would-be assassin Thomas Crooks started on their violent collision ... and immediately felt the bullet ripping through the skin. Much bleeding took place, so I realized then ...

The employer of Thomas Matthew Crooks, the shooter in former President ... and immediately felt the bullet ripping through the skin. Much bleeding took place, so I realized then what was happening.

Authorities neutralized the 20-year-old assailant, Thomas Crooks, after shots rang out ... felt the bullet ripping through the skin. Much bleeding took place, so I realized then what was happening.

An armed person stands outside of the 2024 Republican National Convention near the Fiserv Forum along with a poster of Thomas Crooks ... "Much bleeding took place, so I realized then what was ...

The gunman was identified as 20-year-old Thomas Matthew Crooks, of Bethel Park ... of coffee flashed pictures of the former president bleeding from the ear next to the words “Bethel Park.” ...