Lyric discussion by JASGripen 

Cover art for O'Malley's Bar lyrics by Nick Cave and the Bad Seeds

The guy in the story is pondering religion quite a bit. He defend himself and his actions with the lack of free will.

We also got his flashback of thinking about S:t Sebastian (shot with a lot of arrows) when he himself shots a victim (making himself a perpetrator against a beliving. The angel reference puts him at the other side of the religious slider. He is confused, actually he blame his own hand for taking action: "My hand decided that the time was nigh", it wasn't him it was his weak body.