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Memorandum To : SaC (9A-1685))(p) Date: 5/21/85 From : SIL Subjeet : UNSUBS aka b6 et al; b7C HARRY A. BLACKMUN US SUPREME COURT JUSTICE -: VICTIM; ET AL. EXTORTION OO: BUFFALO Since this case was initiated subsequent. to the.. receipt of letters post marked Buffalo, writer has reviewed the file and' had discussions' with case agent relative to preparation of visual analysis to be. used in lead development.' Duxing this pexiod of time, wxitex constructed. a matrix analysis to draw out common bonds and' associations that. were identified through Independent investigation and interview. This analysis will be submitted to the lA section of this file. During the preparation of this analysis, certain. items of investigative Interest were Identified and.are as follows: 1) All victims in this matter were public officials with the exception ol It is noted that b6. hame appears in the telephone directory b7C on the same page as the return addressee On the letter to JEsSe PRESEnT. 2). It has been determined that the names of the.. b6 victims, with the exception of were taken from a public resource document prepared and' maintained b7C by the Buffalo and Erie County Library. 3): All of the victims were racially white. 4) Five of the return addresses used were taken from. the New Yoxk Telephone directory; 2 each from common. pages. Ss9-6 SEARCHED INDEXED 1 - 92-2850 Sub A(ATTACHmenX)) SERIALIZED MAY 21 1985 (3) b7C M