Several other commenters on X also say the perp got hit.
Watched it several times, but I could not tell that. It appeared, to me, that the guy tripped and then fell a couple more times due to fear and loss of coordination, like he couldn't move fast enough.
BUT - I will go with the majority opinion, cuz I thinks ya'll are correct.
I didn't notice the other two perps on first few times - had to watch a few more times after reading the comments about them being there. *w* First few reruns were to see the clerk pull the gun from his pants. First 3 times, it just seemed like the gun came from nowhere. He moved like lightning. I counted 5-7 total shots fired.

Finally, brethren, whatsoever things are true, whatsoever things are honest, whatsoever things are just, whatsoever things are pure, whatsoever things are lovely, whatsoever things are of good ...