In a 2014 audio recording played at the Diddy trial, Casandra 'Cassie' Ventura is heard threatening to 'kill' a man over fears of a leaked sex tape.

Cassie Ventura says Diddy had blackmail material on her ... namely, videos from their "freak-offs" ... and she says he used the footage to get her to do more freak-offs.

Opening arguments in the hip-hop mogul's high-profile trial began on Monday, May 12, at a federal court in Manhattan Federal prosecutors allege that Combs is the mastermind behind a criminal enterprise that forced women — including his ex-girlfriend — to perform sex acts he filmed Casandra "Cassie" Ventura once compared Sean “Diddy” Combs to infamous abuser Ike Turner,

Sean "Diddy" Combs is standing trial on sex trafficking and racketeering charges in a case that has captured widespread attention.

Combs faces five federal charges of racketeering, sex trafficking and transportation to engage in prostitution, to which he has pleaded not guilty.

Cassie Ventura testified in Sean “Diddy” Combs’s sex-trafficking trial, detailing years of alleged abuse and “freak-offs” with male escorts.