◆ SpookStack

b6 FEDERAL BUREAU OF INVESTIGATIQN b7C WASHINGTON, D. C. 20535 Date: October 29, 1991 To: ADIc, New York FBI File No. Lab No. 11021052 D ST Reference: Communication dated September 19, 1991 Your No. 9A-NY-208842 D Re: b6 UNSUB. AKAM Clean; b7C VICTIM; JOAN RIVERS VICTIM; EXTORTION/ THREATENING MAIL 00: New York 1991 Specimens received: 9L Q3TN Anonymous Letter File ocT returned herewith. Q1 EnveIope postmarked "oueens ny. pM 28 AUG 1991" bearing typewritten address b6 c/o K-Rock 92.3 FM 600 Madison Ave. New York, New York 10022". b7C Q2 Typewritten letter beginning "Hi you 2 wonderful..." signed #Mr. Clean" Q3 typewritten address t/o K- Rock 92.3 FM 600 Madison Ave. N.Y., N.y. 10022" with reverse side bearing typewritten letter beginning Joannie..." signed uMr. CLEAN" Enclosures (4) b6 Page 1 (over) b7C This Report Is Furnished For Official Use Only.