OPEC siege members of OPEC were taken hostage in Vienna, Austria, where the ministers were attending a meeting at the OPEC headquarters at Dr-Karl-Lueger-Ring 10 (renamed Universitätsring in 2012). The hostage attack was orchestrated by a six-person team led by Venezuelan terrorist Carlos the Jackal (which included Gabriele Kröcher-Tiedemann, Hans-Joachim Klein and Anis al-Naqqash). The self-named "Arm of the Arab Revolution" group called for the liberation of Palestine. Carlos planned to take over the conference by force and kidnap all eleven oil ministers in attendance and hold them for ransom, with the exception of Ahmed Zaki Yamani and Iran's Jamshid Amuzegar, who
Wayne Rigsby of Hightower's office, Rigsby and Van Pelt say they love each other. Rigsby, after being in a shootout, tells Van Pelt he will get another job so they can be together. However, at the end of the episode, Grace breaks things off by saying she doesn't want the responsibility of making Rigsby leave the CBI. Rigsby pleads with her to talk it through, but Van Pelt simply says she knows herself and walks away, leaving him heartbroken. Van Pelt is later seen crying while walking into the office elevator. In the episode "Bloodhounds," Rigsby dates criminal profiler Dr. Montague and