The only remaining defendant who has not reached an agreement with the U.S. Attorney's Office is Jasveen Sangha, who prosecutors allege is a drug dealer known as the “Ketamine Queen” and sold Perry the dose that led to his death.

Dr. Salvador Plasencia agreed last month to plead guilty to giving the Friends actor ketamine in the lead up to his death. He faces up to 40 years in prison.View on euronews