 because he had slipped back down the roof line. The slope of the roof was such that when he fired eight shots in two seconds, one 1,000, two 1,000, then he slips back down, and again, not visible to the countersnipers. And the police on the ground, they hear the shots, they know that it stopped, the gunfire has stopped, and they know that when one police officer popped his head up there a minute earlier,