Who is the ketamine queen that sold fatal drug, causing Matthew Perry death? Here's what to know about ketamine and why people take it.

Jasveen Sangha, 42, agreed to plead guilty to one count of maintaining a drug-involved premises, three counts of distribution of ketamine, and one count of distribution of ketamine resulting in death or serious bodily injury.

STANDING outside the Hollywood home of Matthew Perry, as the coroner’s van carrying his body sped past, I couldn’t help but shed a tear. I had followed the star’s tragic decline for years,