03/28/2008 02:45 am ET Updated May 25, 2011

O.J.'s Alleged Robbery -- Caught On Tape

TMZ has obtained an audio tape of O.J. Simpson's confrontation with a sports memorabilia dealer that led to his arrest on felony robbery charges. In it, you hear someone say, "You against the motherf*****g wall."

The tape was recorded by Thomas Riccio, who co-owns the auction house Universal Rarities. Riccio met up with Simpson just before the confrontation at the Palace Station Casino on Thursday night.

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