◆ SpookStack

SE 164-81 4, A reward of 15% of any ransom money returned or SZ rey been obtained through contact with FY Northwest Orient Airlines. bé . b7C 5. Feasibility of cunducting an aerial surveillance of the NORJAK flight pattern to locate any articles discarded by Unsub prior to jumping was investigated. This type search was determined not to be feasible. 6. <A more accurate method of plotting of radar data of the NORJAK flight using a computer was utilized and a new search area was plotted. This new search area was searched with negative results. 7. A review was conducted of the magazine and news- paper articles written just prior to NORJAK in an attempt to develop information concerning how Unsub conceived his hijack plan. it was learned that approximately 12 days prior to NORJAK, the first skyjacking involving a parachute was attempted. Since this skyjacking was given a great deal of publicity at that time, it is felt Unsub may have used this event to help him formulate his skyjacking plans. DB Cooper-12156 a ee _