in this video, you can hear the last shot at 9:15, a pistol shot, negligent discharge, followed by screaming at 9:16.

This is most likely the shot that killed the fire chief.

SS fired one shot, eh?

RSBN’s Full Coverage of the Assassination Attempt on President Trump - 7/13/24

https://www.youtube.com/watch?v=c3TKCJ7aE44