It's a disgusting but supposed true story about this sick religious man who wanted to purify strippers. There's nothing on the internet about it because they never found his body and think he's still alive. The girl that escaped has never been found either. It's a pretty good movie. Check it out if you have time. It goes to great lengths to see how fucked up people get.
They found the hook on his hand on the door handle of a car down at the end of a lonely road down by the river. When the went to his house - they found a choking Doberman with a human finger lodged in his throat. The telephone call was coming from inside the house. His other dog was actually a Mexican rat and not a Chihuahua as his elderly mother had been told when she adopted it from a street urching in Juarez.