Two cops, hands on sidearms, were dragging a naked homeless guy along. It looked bad for the poor guy. They reached an unmarked door in the wall and hammered on it.
A tonsured monk in full habit with mad glaring eyes popped his head out. Without saying a word he disappeared again and reappeared with a change of clothes for the guy. He glared up and down the street once more and slammed the door shut.
The cops made the guy get dressed, let him go and lit up cigarettes.