◆ SpookStack

_ a ry “| STAOANG Pomes mt 4 nd fan Office Memor, weed’i., ,¢ UNITED STATES GOVERNMENT ro of DIRECTOR, FBI pare, September 1h, 1951 poms SAC, WFO ATTENTION FBI LABORATORY o SUBJECT: DONALD DUART MACLEAN, et al » er my, 137490 Re San Francisco memo to Bureau dated 8/31/$1 concerning one ; There is being enclosed herewith the penciled printed letter which was enclosed in referenced commnication for the WFO. Your attention is aleo called to Bureau letter dated 12/7/50 to the Knoxville office captioned, @iRaaaiig acai; INFORMATION OONCERR~ . ING, which enclosed a photostat of an anonymous handwritten and printed penciled communication postmarked 11/10/50 at Hot Springs, South Dakota, It ie requested that the printing in the 1fAo0/so commnication be compared with the enclosed communication by the FBI Laboratory, in an effort to determine whether both letters were prepared by the same individual. After examination of the enclosed letter, the FBI Laboratory is requested to return a photostatic copy of this letter to the WFO, if retention . of the original letter by the Bureau is desired, ‘ A letter, dated 11/15/50 from the Minneapolis division to WFO, ad- vised that the Mimeepolis office was in receipt of an anonymous commnica- tion which was also postmarked 11/10/50 at Hot Springs, South Dak and which also suggested that the FBI investigati a and > + In the Minneapolis office's letter, the following was quoted from this anonymous communication: . v om nen a ns nan me Ae ky tn i el a A oe *F.B.1. Washington D.C. investigate for posaibie espionage leads the following a Ly) as . This c 20!