Again, I think its super important to note that this goon was filming on a phone(wtf?), why not a bodycam?
Bodycams are better for this task bc it allows cops to have situational awareness and not be thinking about their IG live.
I can already see the cops planning to say he felt fear and couldn't tell if he was going to get hit or not because he was too distracted with the phone.
But imo its clear he's filming this killing bc he planned it. He placed himself their and filmed so he could brag