The FBI has released the first photos of the AR-15 rifle that Thomas Matthew Crooks used in his attempt to kill former President Donald Trump in Butler, Pennsylvania last month.

Thomas Crooks killed one rally goer ... which included searching Crooks' home and speaking with his family. The FBI search led to the discovery of more bombs in the family's Bethel Park home ...

Iran has rejected claims it was behind an alleged plot to assassinate president elect Donald Trump after the US Justice ...

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The gunman in the assassination attempt on Donald Trump embarked on a “sustained, detailed effort” to attack a major gathering before choosing to target the former president at a rally in Pennsylvania ...

The home of Thomas Matthew Crooks in Bethel Park, Pa. (Ross Mantle for WSJ) FBI technical specialists successfully gained access to Thomas Matthew Crooks’s mobile phone, and are continuing to ...

But FBI officials stressed at a news briefing on Wednesday that a motive for the assassination attempt remains unknown, and they said that Thomas Crooks - the 20-year-old assailant - had a ...

The US Justice Department has brought criminal charges against three people who allegedly plotted an Iranian assassination attempt against Donald Trump.

The Homeland Security Department and the FBI issued a bulletin on Monday ... Authorities identified the gunman as Thomas Matthew Crooks, a 20-year-old from Pennsylvania. The shooting left ...

An agency representative confirmed to Business Insider early on Sunday morning that the suspect is Thomas Matthew Crooks, 20, of Bethel Park, Pennsylvania. The FBI added that the investigation ...

The FBI has been notified of evidence of hacking on the iPhones of two senior officials at one of the presidential campaigns.

The gunman who carried out an attempted assassination on Donald Trump at a rally has been identified by the FBI as Thomas Matthew Crooks. The 20-year-old resident of Bethel Park, Pennsylvania ...