Washington DC [US], August 29 (ANI): The FBI on Wednesday revealed that the gunman who attempted to kill former President Donald Trump at a Pennsylvania campaign rally last month viewed the event as a “target of opportunity,” Al-Jazeera reported. Crooks of Bethel Park, Pennsylvania, fired shots, one of which grazed Trump in the ear at an outdoor rally in Butler. Thomas Matthew Cooks was planted on the roof of a manufacturing plant located over 130 yards away from the stage at Butler Farm Show grounds, the New York Post had reported, citing sources. According to FBI officials, 20-year-old Thoma…