King Of New York Abel Ferrara throws The Bad Lieutenant at us. Personally preferring this film over King Of New York (which I am also a very big fan of) it is easy for me to go back and watch this one again and again.
The Bad Lieutenant has a very nihilistic ending that leaves the viewer thinking after its all done and over with in a very similar way to The King Of New York. Its almost as if Keitel excepts his fate and knows it is to late for him. So in a final act of goodness (or is it?) he lets the criminals go in hope that they will find a better life. His life for theirs in a sense.
Oh and in case you wanted to see Harvey Keitel naked one more time, watch for an incredibly awkward scene of swinging Keitel dick. It shouldn't disappoint you.