The head of the Secret Service and the leader of this security detail should resign after leaving such an obvious location unsecured. That roof should have been manned by secret service.
It looks like he spotted the shooter in his scope, backs off and looks over with his naked eye and that’s when the shooter fired off his shots and then he looks back into his scope and returns fire. I wonder why he hesitated? I wonder why he didn’t fire initially. Why wait for the shooter to fire first?
If you point a gun at Trump the rules of engagement have the green light for if secret service hesitates it will be too late. Lucky he missed.