Most serial killers are seen as "really good guys" until they get caught, and some people just never believe they weren't actually the person they pretended to be.
Amazing what they consider good. The truly stuplifying thing is that they'll be happy to tell you what excellent judges of character they are.
Hang on, maybe someone should look into the clergymen at the church he attended - 195 confirmed rapes may be on the low end for them.