Acting Secret Service Director Ronald Rowe said that video of someone moving along a roof minutes before former President Trump was shot confirms a "failure."
In an exclusive Fox News Digital video, taken by Jim Copenhaver, one of the victims critically wounded in the July 13 assassination attempt in Butler, Pennsylvania, a figure is seen moving across the roof of the American Glass Research (AGR) building just minutes before gunfire rang out at Trump's rally.
"Looking at this, it...