The crowd was well screened and were not allowed to carry in so much as an umbrella, with storm-clouded skies. Why do you suppose he did not remove his jacket in the unbearable heat and humidity?
With all those people in Mobile—no shooter would have a chance—It was like having 20,000+ guards.
The bulk of those attending were transported from another location with parking facilities. Isolation of threat by avoiding proximity of unsecured vehicles?
Overflight of aircraft during an event needs attention. How low a pass to be seen against stadium or stage lighting? Close enough to draw Trump’s attention from attendees.