Shocking new footage shows Donald Trump’s would-be assassin on a roof just outside the rally. In the clip, the gunman’s dead body can be seen laying on the ground after being neutralized by Secret Service after attempting to take out the former President. In a statement, his communications director Steven Cheung said of the horrific incident,”President Trump thanks law enforcement and first responders for their quick action during this heinous act. He is fine and is being checked out at a local medical facility. More details will follow.” “An incident occurred the evening of July 13 at a Trump…