Not just nowhere near him!... The word "perverted" implies that there is a "perverter." He LEARNED that behavior from someone! That's why you need a long talk with your wife, so you can know who is safely distant from this kid to scratch off your list of suspects... you've got real illness there, and its the sort of illness which runs in families.
We've talked about it, my wife is a psycologist.
It's nobody in the larger family.
This particular family lives about 90 miles away from the closest relative - always have. they are pretty far removed. People see them only on Holidays, for the most part.
If it is somebody, it is a friend, teacher, priest or neighbor.