When he was a black boy, he was brilliant.
When he became a white girl, he was shit.
About the paedo stuff, nobody really knows except himself and the kids he had knocking around his mansion. I think the fact he was not allowed to have a childhood himself meant he had developed an unhealthy obsession with it, at the very least.
You don't have to be a shrink to work out that most abusers, if that is what he was, were abused in some way themselves as children. Not in any way an excuse, but a partial explanation.
He wasn't murdered — like many US superstars he had load of 'Dr Feelgoods' and enablers on tap who would prescribe him anything he wanted for the right bung. His army of parasitic hangers-on would insist 'the man' got what he wanted, whether it was endangering his health or not, or else a new doctor would be found.
Murray was unlucky in that Jacko OD'd on one of his prescriptions, rather than someone else's.