Watch Diagnosis Murder Season 4 Episode 20: A Passion for Murder Online

	IMDB Rating: 8.1/10 from votes
	Release: 1997 / Diagnosis Murder / Season 4 / Episode 20
	Genre: Crime \| Mystery \| Drama
	Director: Christian I. Nyby II
	Stars: Dick Van Dyke, Victoria Rowell, Charlie Schlatter
	Synopsis: When her separated lover and predecessor as local rep, David 'Dave' Chambers, who just got promoted to regional sales director for Benchmark Pharmaceuticals, intends to announce their engagement, Stephanie Hitcher pushes him in front of a car. He is successfully operated by Jessie. Stephanie quickly seduces Community General's man in charge of purchases, married Dr. Tod Grimes, and turns to getting rid of Dave in the firm and Tod's wife Kim although he doesn't want a divorce. When Kim is shot dead, Tod tells the Sloan sleuths that Stephanie must have killed her rival, when suspended loses his patience, resigns, attacks the shrew and is fired and arrested. Dave's odd lab results get Mark thinking, but meanwhile...