Sean Combs: Cassie Ventura takes the stand.

On day two of testimony, the defense cross-examines a man who took part in "freak offs" and the prosecution calls their star witness. Description: In emotional and sometimes graphic testimony, Cassie Ventura tells the jury about her relationship with Sean Combs, who she says was abusive, violent and controlling. Chloe Melas describes how Combs -- who has denied all the allegations against him -- reacted in court.