Frame it as ISP "conditioning" or as "criminal attack", fact of the matter is he committed crimes and now he's feeling the heat so he's putting out re-framed confessions to get the jump on his accusers and try to save his skin.
Then again, people can be more complicated than I give them credit for, and he might actually be a good hacker. It has happened before. I don't know. Let the investigators find out the truth. We have no reason to trust him.