Jasveen Sangha, who is dubbed the 'Ketamine Queen,' agreed to plead guilty to charges in connection with Matthew Perry's overdose death. Here's everything to know about the Jasveen Sangha.

A woman known as the “Ketamine Queen,” charged with selling Matthew Perry the drug that killed him, agreed to plead guilty Monday.

Jasveen Sangha will plead guilty to several federal drug charges, including one count of distribution of ketamine resulting in death or serious bodily injury.