<P> International oddsmakers created a set of odds for the possible culprits: </P> <Ul> <Li> Dusty Farlow (J.R.'s wife Sue Ellen's lover, who disappeared after a plane crash) was the 6 to 4 favorite . </Li> <Li> Vaughn Leland (a banker J.R. swindled) at 4 to 1 . </Li> <Li> Kristin Shepard (J.R.'s sister - in - law and mistress) at 4 to 1 . </Li> <Li> Sue Ellen herself was a long shot at 25 to 1 . </Li> <Li> J.R.'s long - suffering mother, Miss Ellie at 25 to 1 . </Li> </Ul> <Li> Dusty Farlow (J.R.'s wife Sue Ellen's lover, who disappeared after a plane crash) was the 6 to 4 favorite . </Li> <Li> Vaughn Leland (a banker J.R. swindled) at 4 to 1 . </Li>

When did the who shot jr episode air