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7 ~t ror, dew ea, 7 fee: hy te be Le ae . rer) ren soe So de nina Sighs tel eR Re raed ee Federal Burean of Inurstigation Rnited #tates Departinent of Justice 510 South Sprin: Street, Room 700 yu dos Anveles 13, California b vt | Attention: Fil Laboratory BBs TexsOaS SUBIECT; manLex 4a eTztck - Werle EXTORTIO Dear Sirs : There is bererith being forwarded two letters addressed to NI magne BU STRIGH, coe postmarked at Vancouver, Caiada, February llth \% end the other postmarked These letters were inadvertently x who handles the mil for Mise ow of the fact tnat these letters were siczued by aod also a return address listed in the letters, no ts have been taken by this offiee as yet. If valuable end it develops in subsequent investigation © fietitions mane, eliaination priats will cteo eatelopes and Istters should be processed for ent pri and also the handuritine should be compared rith the otLer . ju this case es well as with the ancuyous letter ‘7 oO eracication requested by hew Yor, the Office of Origin, should also be dose. | BI - DATE C= Jt is requested that eopies of the Lahoratory report be Srmaried to ben Yorks Jae angeles aut Seed 4 | | 2f-3