Listen very carefully to the reports starting at 0:28. You hear three carefully spaced shots, then rapid fire shots of a distinctly different type with another of the first type mixed in, then a final shot similar to the first three before that clip cuts off.
Listen very carefully to the reports starting at 0:28. You hear three carefully spaced shots, then rapid fire shots of a distinctly different type with another of the first type mixed in, then a final shot similar to the first three before that clip cuts off.
Those are the snipers retaliating.
A supersonic bullet has already hit by the time you hear the sound.
Secret Service agents literally put themselves in front of someone getting shot at, why would you expect a flinch or duck?
You also are thinking Hollywood movies where it's bang, whiz, pfft. Open your mind anon