It was unclear in the picture if Crooks had a gun on him then. Law enforcement sources told the station that the sniper, a member of the Beaver County Emergency Services Unit, an officer searched ...

A local police officer reportedly confronted sniper Thomas Matthew Crooks but retreated moments before the 20-year-old shot at Donald Trump during his Pennsylvania campaign rally. A Pennsylvania ...

Yet the man identified as the sniper, 20-year-old Thomas Matthew Crooks, fired off numerous rounds from a building top about 150 yards from Trump's lectern at Saturday's rally in Butler, Pennsylvania.

Authorities have identified 20-year-old Thomas Matthew Crooks as the suspected shooter ... The suspect, who was killed by a Secret Service sniper, had lived in Bethel Park, Pa., ...

By this point Crooks had been shot dead by a sniper. A video recorded on the roof about an hour after the attack shows snipers and Secret Service agents trying to understand who saw what and when ...

Law enforcement officials have described the weapon as an AR-style rifle and said Crooks was able to fire multiple rounds from a rooftop before a Secret Service sniper fired back, killing him.

They lost him in the crowd, but he was spotted again by the sniper. Officers were alerted by radio about a suspicious person and searched the area where Crooks had perched his rifle on a rooftop.