Even after the FBI cracked into Thomas Matthew Crooks' cellphone ... had not immediately yielded any meaningful clues related to motive, or whether he acted alone or with others.

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.

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

Documents obtained by CBS News shed light on Thomas Matthew Crooks, the 20-year-old who opened fire at a Trump rally in ...

The suspect in the attempted assassination of former President Donald Trump was identified as 20-year-old Thomas Matthew Crooks. Crooks, who was killed by the Secret Service after firing from an ...

Authorities were piecing together information around the attempted assassination of former President Donald Trump after identifying the suspect as 20-year-old Thomas Matthew Crooks. Crooks ...

It has been the better part of a year since Thomas Crooks tried to assassinate now-President Donald Trump in Butler, ...

Law enforcement officials were working Sunday to learn more about Thomas Matthew Crooks of Bethel Park, Pennsylvania, to determine what motivated him to open fire on the rally from a nearby ...

Republican Matthew Thomas, who is running for mayor of Erie, Pennsylvania, criticizes the city's current state, citing crime, economic decline and failing schools. He proposes a thorough budget ...

It was restored and made available for viewing for the first time on Friday. By Victor Mather Thomas the Tank Engine notices a funny smell. He breaks a rule, has a mishap and gets stuck.

The ex-president was just on minute six of his speech at the Republic rally when chaos erupted, and the shooter, Thomas ...

He was first shot at during a rally in Butler, Pennsylvania, by 20-year-old gunman Thomas Matthew Crooks. The bullet narrowly missed the president’s head but grazed his ear, leaving him bloody.