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FD-36 (Rev. 5-22-64) F BI Date: 1/29/70 Transmit the following in (Type in plaintext or code) AIRTEL Via (Priority) TO: DIRECTOR, FBI b7C FROM: SAC, INDIANAPOLIS (157-2220) (F) BLACKS INC. RM 00: IP ALL INFORATON CONTAINED Re Bureau airtel, 1/21/70. Enclosed for the Bureau are eight copies of LHM reflecting results of preliminary investigation re captioned group.. First confidential source is an anonymous correspondent who furnished to the Bureau the contents of the letter renorted. herein. The second confidential source is. b7C 7 East Chicago, Indiana. b7D LEADS: INDIANAPOLIS At Gary and East Chicago, Indiana Will maintain contact with local FDs and racial sources regarding captioned organization.. Bureau (Enc. 8) (RMREC I3 Indianapolis b7C NJM:d1p (4) DEPT:ISD O, IDIU, TEB1970 HOW FORW: DATE FORW 15/0.wn Drdveh:c b 1z Sent M Per ecial-Agent in Charge