If you're implying that Barbara did the dirty deed and he helped her dispose of the body, I don't think he's stupid and certainly doesn't owe her a favor (that we know of). In fact, I think he'd turn her in.
I still think DVD did it during the time that Brenda was at Dad's.
I agree with you,can't believe this man that didn't want to take back money he had overpaid would stoop that low. Wouldn't use another mans water to fill his MH tank,not a sponger either.
Did you see the June 4th transcripts?