YouTube - Sex Offender Shuffle
I can't find the article right now but IIRC a high number of offenders will be repeat offenders...
Here's a compilation of some of the various studies. Of course, which strategy minimizes the chance of any given offender to re-offend? The one which treats him like an animal and forces him to live like a vagrant? Or the one that provides him with food, clothing, and requires him to attend a moral education?