Diddy‘s federal racketeering and sex trafficking case has taken yet another turn, as the grand jury has interviewed a man who claims to have physical evidence that could impact the case.

On Thursday (October 31), TMZ spoke with Courtney Burgess and his attorney Ariel Mitchell outside of the federal courthouse in New York City, just minutes after Burgess testified in a closed session.According to Mitchell, Burgess was originally subpoenaed by the Department of Homeland Security. Sources told the outlet that “the subpoena from federal prosecutors asked Burgess to turn over all records, including thumb drives, hard drives, electronic storage devices, or devices containing videos and/or other files depicting Diddy.”

Burgess — who has reportedly done several interviews about his knowledge of Diddy’s more unsavory past — claims to be in possession of video footage from the disgraced Bad Boy mogul’s so-called “freak-offs,” as well as an unedited version of Diddy’s ex Kim Porter’s diary.

SOURCE HIPHOPDX/WANEENT