Jake and the Fatman - Season 1 - Eps 21: How Long Has This Thing Been Going On?
A friend of Jake, Matthew Hammond, is having an affair with a rich lady. They decide to marry, but when she asks her husband for a divorce, he kills her and frames Hammond.
About Jake and the Fatman

Title: Jake and the Fatman
First Air Date: 1987-09-26
Last Air Date: 1992-05-06
Status: Ended
Rating: 6/10 (from 47 votes)
Language: EN
Seasons: 5
Total Episodes: 106
Network: CBS
Genres: Drama, Crime, Action & Adventure
Production Companies: Viacom Productions, Dean Hargrove Productions, Fred Silverman Company, Strathmore Productions
Synopsis
Jake and the Fatman is a television crime drama starring William Conrad as prosecutor J. L. "Fatman" McCabe and Joe Penny as investigator Jake Styles. The series ran on CBS for five seasons from 1987 to 1992. Diagnosis: Murder was a spin-off of this series.
Cast

William Conrad
Jason McCabe

Joe Penny
Jake Styles

Alan Campbell
Derek Mitchell