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®@ His post of duty is Portland and he flies TDY from Seattle. Unofficial inquiries to Portland disclosed that CSO was TDY Seattle during the period in bé6 Per Boc question and. returned from Japan via North West Orient b7c Per Boc on the morning of November 22, 1971 and was scheduled off on the 23rd and 24th of November. A photograph of i was obtained and shown to the clerk who advised CSO[____——Céditthat:«the picture was the same individual who had explained the skyjacking scheme to her the vious year. The memo of information £rom CSO is attached hereto. The entire y contents are for informative purposes. , e th a ~ hadi * DB Cooper-/187