For an eight-month-long period of media frenzy after the broadcast of "A House Divided" episode (wherein Dallas archvillain J.R. Ewing was shot by an unidentified perpetrator while working in his office), international oddsmakers created a set of odds for the possible culprits.
Kristin Shepard (Mary Crosby), J.R.'s ex-mistress and Sue Ellen's sister: J.R. broke his promise to marry her and gave her 24 hours to leave town [REF].