According to TMZ, the thief is attempting to sell a private recording of the singer and his ex-wife on the black market.
The R&B singer had several electrical items stolen from his car back in 2009, including two laptops and two video cameras, and according to TMZ - the sex tape was on one of the laptops.
According to court documents, the singer was inside of an AT&T store when an unidentified man entered the driver's side of his GMC Yukon. Making off with two laptops, two cameras and one million dollars in jewelry, the thief was described to police as a black man in a Chevy Impala.
Sources: Mirror.co.uk and TMZ.