Adam Arkin plays an 800 pound man who Monk knows from the past. He is mean and cynical and totally immobile. He may have been responsible for the death of Trudy, Monk's late wife. He is really despicable and that's what makes him so interesting. The murdered woman shouts Dale's last name as she is being killed. Also, there is a girl who saw an enormous man through an upstairs window. Fun episode which sets up the future of the series.