The video reportedly depicts locations where the president's son might be.
Pirro said there is evidence that buckshot from a shotgun carried by alleged White House Correspondents' Dinner attacker was "intertwined with the fiber" of a bulletproof vest worn by a Secret Service officer.
The Secret Service Presidential protection mission dates back to 1901; it was formalized after the assassination of President William McKinley.
A Secret Service agent in training who previously worked as an analyst with the presidential protection team was arrested this week on charges of felony eavesdropping.
A U.S. Secret Service agent assigned to former first lady Jill Biden's detail shot himself in the leg Friday, according to a USSS official.
A man was taken into custody on Wednesday after driving his van into a security barrier outside the White House, authorities said.