Could Tupac verdict inspire new efforts to find killer of his rival the Notorious B.I.G.?

Duane Davis knew Wallace and was at the same party the night Wallace was killed Wallace, a New Yorker, was once one of Shakur's friends, but the two became rivals and embodied the East Coast-West Coast feud that dominated 1990s hip-hop.

The fact that this could happen and not a single arrest was made and no one was prosecuted," Rahmani said, noting Biggie's killing happened on a public street in the middle of the second most populous US city.

During the trial, there were no eye-witnesses to place Davis as being in the car, no murder weapon presented, no video or photo evidence.