There isn't an ounce of genuine affection on display.

It's the drunk-guy- at-the-party syndrome: The only one truly entertained by the clown with the lamp shade on his head is the clown with the lamp shade on his head -- or folks similarly inebriated.

... shows that there's a lot more to this sordid story than first meets the jaundiced eye.

Rule No. 1: If you use black humor in a film about real-life characters and events, make sure you have a feel for it first.