Jennifer Beidel, a former US attorney for the Southern District of New York, tells the BBC that because of the length of Casandra Ventura and Sean "Diddy" Combs' relationship - about a decade, on and off - Ventura's testimony in this case is crucial.

We take full responsibility that there was domestic violence in this case,” defense attorney Teny Geragos said. “But domestic violence is not sex trafficking.”