Avoid, avoid, avoid.
Everything I have read says there is no hope for them to even learn to care about how they hurt people. Faking it won't last long enough to work for your kids.
If he is able to go so far at such a young age- then that wisdom would seem to indicate if he changes at all as he grows, it would be for the worst.
It is hard when people steal, and cheat, and lie. He crossed a line where there is no return when he molested children.
Just my thoughts. Easy to say, hard to do I'm sure.
Best to you.
3rdJeneration