*The case of Christopher Wallace, better known to world as the Notorious B.I.G, has been cold for some time now, but according to a report from CNN, things have been heating up lately.

A task force made up of local and federal law-enforcement agencies is now actively pursuing leads, reports CNN.

The investigation into the Brooklyn rapper’s 1997 murder in Los Angeles was “reinvigorated” several months ago, according to one source, as a result of new information.

Theories abound regarding Wallace’s murder, the prevailing one being that it was payback for the murder of Tupac Shakur six months earlier.

Retired Los Angeles Police Detective Russell Poole, who worked on the Wallace case, says Shakur’s record label’s owner (Suge Knight) ordered the hit from prison, and that a rogue policeman helped carry it out.

Read the full story at CNN.