Instagram/Jeff Shell & R.J. Ciprian Celebrity High-stakes gambler R.J. Cipriani blew the whistle on Paramount's Jeff Shell after a business deal collapsed, triggering an internal investigation. March 13, 2026 AceShowbiz - The internal investigation into Jeff Shell at Paramount was initiated by R.J. Cipriani, a high-stakes gambler and entertainment figure who filed a whistleblower complaint against the studio chief. R.J.