NYPD probing online post on Tupac shooting in '94

Rap musician Tupac Shakur shown in this 1993 file photo. Shakur died on Sept. 13, 1996, the victim of a drive-by shooting. (AP Photo/FILE)

June 16, 2011 6:36:08 AM PDT
New York City police have begun an investigation into an online posting supposedly from a convicted felon who claims to have shot and robbed slain rapper Tupac Shakur.