Headscratchers / End of Days

What do the authorities do about the enormous gaping pit of hell that is in the middle of the Church after Jericho banishes Satan?

Where did all the evil minions go?
Before Caine thwarted Satan with his Heroic Sacrifice, the cultists were coming out of the woodwork to stomp Caine. Right after? Gone as though they never were. Many hundreds, verging on thousands, poof! Did they simply melt into the woodwork, or did the vengeful Satan drag them down with him for failing? Given what the movie implied about NYC's police, the dragging would be a real drag on NYPD manpower stats.