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ene LABORATORY —t- FEDERAL BUREAU OF INVESTIGATION WASHINGTON, BC. 2@S35 to: SAC, Pittsburgh (9-2344) Date: we. perch 25. 1971 Re: UNSUB; aka Leb, No. D-71 03 11-005 HX . The Protector of Moral Sanity; Maneser, Nixon Theeter, 956 Liberty Avenue, Pittsburch, Pa. - VICTIM; EXTORTION; BOMBING MATTER Specimens received 3/10/71 Ke4 Photocopy of a handwritten letter dated 2/10/71, beginning "Dear Friends I shall once again..." signed a Result of examination: a“ Yue to the lack of comparable letters and Letter combinations, it wes not determined whether Ql through Q5, previously submittéd, were or were net written by the writer of Ke4, However, some differences were noted,