Bodycam footage released Thursday reveals the intense moments before the attempted assassination of former President Donald Trump at a July 13 rally in Butler, Pennsylvania. The footage, captured by two Butler Township Police Department officers, shows their efforts to stop the would-be assassin, Thomas Matthew Crooks, who was positioned on the rooftop of the American Glass Research (AGR) building with an AR-15-style rifle. Read: Former Secret Service Agent Unloads On Agency Head Over ‘Argumentative’ Testimony About Trump Assassination Attempt An officer with a body camera is seen being hoiste…