Cassie Ventura, the former girlfriend of Sean “Diddy” Combs, gave emotionally gripping – and at times – graphic testimony, offering the world a glimpse into her longtime relationship with the music mogul and alleged drug-fueled sex performances known as “Freak Offs,

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

As the Sean "Diddy" Combs trial unfolds in NYC, here's what to know about Cassie Ventura and other the key witnesses in the case.