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From XXLMAG.com:

The documents recently surfaced when Mack included them in a motion challenging the unrelated conviction for bank robbery he is currently serving time for. Philips writes that the police records disprove several aspects of Poole’s theory including the notion that Mack had a shrine to Tupac in his garage, and that he offered another officer a job working security for Knight. Much of the information that Poole used to build his theory came from two other LAPD detectives, Brian Tyndall and Greg Grant. Grant has since retired and Tyndall now heads a task force created last year to reinvestigate the murder.