andrea canning: that clicked with detective billy mumaw. he'd learned about a couple who had rented a house from melvin. the husband had an indian accent, and his wife had a nasty fight with melvin. i had found out that about a week before that melvin had an argument with a fairly large female tenant. andrea canning: she had complained that the floor was cracking near the kitchen sink. melvin told her that if she wasn't such a fat ass that she wouldn't be breaking the floor. those could be fighting words for someone. pretty strong words for a husband to take. and i could see getting pretty upset with that and maybe going overboard. andrea canning: when the detective went to the house to speak to the husband, the man told mumaw he was at work at the time of the murder. investigators set out to check his story. police were also very interested in someone else, melvin's handy man gene moss. david said he walked in on his dad and moss having an argument in the office conference room on the night of the murder. dad had been having some issues wi