Who's expected to testify in Sean "Diddy" Combs' trial? What to know about Cassie and the other accusers

Sean "Diddy" Combs' sex trafficking and racketeering trial is expected to get underway after the jury is sworn in Monday in New York City. 

The hip-hop mogul is accused of running a criminal enterprise since at least 2004 that manipulated women into participating in commercial sex acts with him, and sometimes male sex workers, during what prosecutors described as drug-fueled parties called "freak offs."

Combs has been jailed at the Metropolitan Detention Center Brooklyn since his arrest last September. He faces five counts from four different women, including singer and ex-girlfriend Cassie Ventura.