The second day of music mogul Sean (Diddy) Combs's sex trafficking trial got underway on Tuesday in a Manhattan federal court, with former girlfriend R&B singer Cassie testifying that Combs could be violent and controlling. Combs has pleaded not guilty to five charges, including sex trafficking and racketeering.

The trial of music mogul Sean (Diddy) Combs kicked off in a Manhattan courtroom on Monday, with federal prosecutors trying to prove he turned his hip-hop conglomerate into a racketeering enterprise that forced women to satisfy his sexual desires for two decades. Combs has pleaded not guilty to five charges.

Rapper and hip-hop mogul Sean (Diddy) Combs presided over a sordid empire of sexual crimes, coercing and abusing women for years while using blackmail and shocking acts of violence to keep his victims in line, according to an indictment unsealed Tuesday.