In watching the above clip on a 0:02 repeat before the first firearm retort, and can just barely make out distortion extending out from the muzzle in the middle of the frame (0:39-0:40). I think that Grey Coat ICE may indeed have fired the first round, setting the rest of the event in motion.
I see him now, I’ve been reviewing comments on other threads and reviewing the clips. It appears as though he may have been the one who first discharged a firearm; https://media.thelemmy.club/rapidsave.com_3rd_angle_of_todays_shooting-rqrfifu9mcfg1.mp4
In watching the above clip on a 0:02 repeat before the first firearm retort, and can just barely make out distortion extending out from the muzzle in the middle of the frame (0:39-0:40). I think that Grey Coat ICE may indeed have fired the first round, setting the rest of the event in motion.