UPDATE: Ketamine Queen’ among 5 people charged in drug investigation into Matthew Perry’s death

UPDATE: Ketamine Queen’ among 5 people charged in drug investigation into Matthew Perry’s death. Three of five defendants, including a doctor, have pleaded guilty to federal drug charges in connection with Matthew Perry’s death, while two others — including a second doctor and a woman known as “The Ketamine Queen,“ who is accused of selling Perry the batch of ketamine that killed him — were arrested on Thursday, according to the Department of Justice. Read more: Source: Police frequency