The FBI is calling the July 13 shooting at a Trump rally in Pennsylvania an "assassination attempt." The Bureau is investigating the incident, in which a gunman opened fire on the rally stage in the town of Butler. One attendee was killed and two others were critically injured. Trump has said a bullet pierced the upper part of his right ear. Authorities say the shooter was 20yearold Thomas Allen Crooks, a resident of nearby Bethel Park, Pennsylvania.