Prosecutors are now in possession of 20 new sex tapes that allegedly show R. Kelly with underage girls.

An attorney representing several of Kelly’s alleged victims told TMZ that members of the R&B star’s inner circle have turned over the tapes allegedly depicting sex acts between Kelly and underage victims. TMZ reportedly received confirmation from federal law enforcement sources that authorities now have additional evidence against Kelly, who was arrested this week on federal child pornography charges.

The report indicates that a former employee who had previously claimed that Kelly recorded sexual encounters with minors may have been one source of the new evidence.

Kelly is currently in custody at the Metropolitan Correctional Center in Chicago, and prosecutors are expected to argue that he be denied bail.

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[Feature image: AP Photo/Matt Marton]