If you ever accuse somebody of being a pedophile based on something not quite clear told to you the next day by some other person and it turns out it was all wrong - maybe the other person was lying, for example - you better be ready to get shot in the face.
To take everything with a grain might be the best advice there is. Or, as a sergeant advised us when I got into the Army, "Believe nothing you hear and just half of what you see."
Sandusky did what he did. He's the guilty party. Or, as far as we know.
McQueary is hard to understand. He apparently wanted to do something but couldn't cope with what he'd seen and didn't follow up as he should have. The latest story is that he didn't witness a sexual act in the shower.
Paterno, Curley, Schultz...seem to have had vague, third-hand information of what happened.
I don't make excuses for anyone but am trying to be realistic.