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 two "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. Battle For Compton" is the story of "The Machine"; a group of high powered individuals with a very dark secret they killed to keep, and have spent the last 20 years hiding- hoping one day it will all go away- before they do.

• Documentary