They only retained him because their basketball team was emotional at the time and they felt forced.
Instead of doing the right thing, and telling the players that it's an institutional matter that must be dealt with, they folded like the cheap filth they are and opted to worry about basketball interests over their students.
He's just as guilty as the rest. He played for Rick, coached for Rick, and has close ties to the family. There isn't one sane and logical person who would bet cash he didn't know.
Louisville is about to self destruct and a large part of it is their own doing in the aftermath.