It seems to me that while they have six months more time to commit crime, they are less likely to do so with an education and the ability to integrate into society. Even the child molester may have some better chance of controlling urges. At the end of the day, none of us can know the outcomes of our actions beforehand, and even afterward, not so much. All that matters is how you FEEL about your choices. For what it's worth, I think what you are doing is admirable regardless of what the prisoners might do.