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Jot - REPOR? ae to _ oO —RBda— ami LABORATORY -—a— FEDERAL BUREAU OF INVESTIGATION WASHINGTON, D. C. 20535 BIC Ta; Date: . ne, MACs Omaha : rene May 30, 1974 UNSUB; THREATENING LETTER RECEIVFD D-740514253 PF BY GUYANTSE GOVERNMENT OFFICIAL PURPORTELLY SENT BY SYMBIONESE LIBERATION ARMY (SLA); EXTORTION Specimens recelved 5/14/74 fir] Pantocopy of envelopo postmarked "U.S, POSTAL SERVICE, NE 888 Py J iy LITA" Learing typewritten addzecs Ny oples Nat_ona} Congr Congress TeGLOWN Orftish ay ap und photocopy of Result of examination: Cel was net associated with material maintained in the Anapypenus Letter File, . Copies have been added thoroto, A dafinite conclusion was not reached whether the typenriting on Gcl was preparod by the typewriter or typowrilers uped ty prepare the questioned typewriting on O41] through 944, and Qo0 previously sulimitted in case capttoned "HEARNAP", due to the lack of tnddvidual identifying charactoristics and the _ indistinct nature of the submitted photocopies. The conclusion was reached that the ty pevriting on other items. previously submitted in the H*ARNAP case and in case captioned "SYMBIGNRIE LIBERATION Arey €SLA}" was not prepared by tho typewriter or iypewriters used Ce propore Gel. The typouriting on Ccl is too indistinct to classtiy an ty mise; however, this typewrditing most closely corresponds to Lavoratory standards for pica ratyles of typo manufactured by Ranomayer and Setag Coupanies and used on typewriters manufactured gnier brand nanos including: Antares, Halda/Yacit, Olivetti, Orpr, Poyal, Remington, RC. Allon, Smith—Corona, and Undervood, Col do setadined, ) 2 tagger BRG:rm (12) ectompany ing one-page typewritten letter beginning “This te a..." ‘ Me sey it te > Pay Ene ow tees wee oe oe v - b