A woman charged with selling Matthew Perry the dose of ketamine that killed him is headed for a September trial.

Jasveen Sangha, allegedly known to her customers as "Ketamine Queen" and accused of selling Matthew Perry the fatal dose of ...

Matthew Perry's ketamine provider, Dr. Salvador Plasencia, pleaded guilty to drug distribution charges, expressing remorse and agreeing to surrender his medical license.

Of the individuals named by authorities in Perry’s death, Plasencia’s plea today leaves only Jasveen Sangha, aka the “Ketamine Queen,” remaining.

The doctor who supplied late actor Matthew Perry with the ketamine that contributed to his death formally pleaded guilty on Wednesday.