Sangha was one of five defendants charged in connection with the Friends actor's death.

A dealer dubbed the "Ketamine Queen" has agreed to plead guilty to supplying the drugs that killed 'Friends' actor Matthew Perry, the US Department of Justice has said.

She plans to plead guilty to one count of maintaining a drug-involved premises, three counts of distributing ketamine, and one count of distributing ketamine resulting in death or serious bodily inju...