Iwamasa, who admitted in court documents to administering the ketamine on the day that Perry died, pleaded guilty in August 2024 to one count of conspiracy to distribute ketamine causing death, the DOJ said. He is scheduled to be sentenced in November.

A doctor charged in connection with the drug overdose death of actor Matthew Perry pleaded guilty Wednesday to supplying the "Friends" star with ketamine.Another doctor, Mark Chavez, pleaded guilty in October to conspiring to distribute ketamine to Perry.

Jasveen Sangha — referred to as "The Ketamine Queen," according to U.S. Attorney Martin Estrada — is charged with several counts related to allegedly distributing ketamine and methamphetamine. She has pleaded not guilty and is scheduled to go to trial in August, according to the Associated Press.