The unsolved murders of Tupac Shakur and Christopher "Biggie Smalls" Wallace still stir the public's imagination after 20 years.

Yet law enforcement has been at a standstill to produce results. The producers of "American Federale" and the first 2 ""Assassination"" films, finally unravel the tangled cases and expose not only who may have done it, but also why these cases have never seen justice.

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