Don't think he ever got along with Bo (his adoptive father) but the real falling out was over their disagreement in his attempting to sell "memorabilia" which probably included Bo's many things and Bo wasn't having it. This sounds like don't get mad, get even. He never said anything about this until years after Bo & his mother were both gone. Have a hard time thinking Bo covered anything up as he was a real hard *** and couldn't stand imperfection. Maybe Bo wanted to get rid of the doctor but Don Canham (powerful AD at the time and also dead) wouldn't have it. Easy to claim things when all parties are all dead and can't defend themselves.