...violence is on his doorstep he probably called 911 demanding the cops come and defend him.
Didn’t need to. The police were already there earlier in the evening because of noise and because they were blocking the street. The cops left without doing anything. The party was allowed to continue.
The shooting was a couple of hours later.
Rhetorical question - Why threaten members of a church with arrest but walkaway from party with dozens of people?
Post Constitutional America.