Gunsmoke Season 4 Episode 11 How to Kill a Friend ( Air Date 1958-11-22 ) Genre Western, Action & Adventure, Drama category. Overview "Two gamblers find Matt incorruptible and attempt to intimidate him by hiring gunman Toque Morlan. The two are ironically unaware that Morlan was Matt's close friend until a long-ago attack by a mob left Morlan scarred and harboring a bitter grudge against lawmen.".