◆ SpookStack

6 é & The offleces inyestigating the sourec({s) of the letters have not identified the writer or writers as of this timc. The Laboratory has not identificd the quistioned writing with the lnown writing of any person to date. Copice of this report are furnished to the following offices investigating eases for which the Laboratory has no field office numbers OFFICE CAPTION New York | Ss ixtortion 06: Now York Washington Field Office Unsub, ala Captain Seerctary OF Sta . Honxy Kissinger ~ Victim; Extortion 00: New York Netwarts st nits Threat to Bomb Red and Tan Buses at Spring Valley, NY} DAL O00; Newark Notes: The Anonymous Letter File identification in this matter was effected by Document Analyst > — Page 2 SP D=«770322053 BE b6é b7c