![ABCNews logo](https://cdn.abcotvs.net/abcotv/static/common/origins/origin-abcnews.png)
Gun found at rally was purchased by suspect's father: ATF
The firearm recovered at the scene of the Trump assassination attempt was legally purchased by the suspect's father, an urgent trace conducted by ATF found, according to multiple law enforcement sources.
The shooter was identified by the FBI as Thomas Matthew Crooks, 20, of Bethel Park, Pennsylvania.
The suspect had no apparent military affiliation.
Authorities found items of concern inside the suspect's car, which was parked outside the Trump rally, law enforcement sources told ABC News. Bomb technicians and other experts were called to investigate, but it is unclear if the items were suspicious or potentially harmful, the sources said.