He was convicted of the drug-assisted rape of a child ...No, he was charged with "drug-assisted rape", but not convicted.
In fact, he wasn't "convicted" of anything; as part of a deal with the judge, he plead guilty to a related, but different charge ("unlawful intercourse with a minor").
But that's OK. Go on living in this emotionally-driven, fact- and reality-divorced haze if you want to...