John Cullen may have just broken this thing wide open. He presents audio evidence of silenced sub-sonic gunfire, and visual evidence of muzzle flashes from the window of the building on which Crooks was stationed. Additionally, he and Lee Stranahan have created a 3-D rendering of the crime scene through which, Cullen has been able to analyze trajectories with great precision. And finally, Cullen presents a plausible theory to explain the known facts. Major bullet points of his theory - There was a sniper in the trees, east of Trump's podium as well as a sniper in the building below...