You don't have to be a sniper to see the problem here.
How are they going to overcome not getting Trump to safety before the guy fired a shot? There gonna be some SERIOUS chit hit the fanYou don't have to be a sniper to see the problem here.
When you set up interlocking fields of fire, you account for targets in your zone that are obstructed. If any part of the building was blocked by a tree, additional teams, as many as necessary should have been put in place so that at least two teams could engage any target.
Guy sounds legit. Note no reference to some bigger conspiracy.