Kenneth Iwamasa was sentenced to 41 months in prison for conspiring to distribute ketamine to Matthew Perry, including the fatal dose in October 2023.
https://www.foxnews.com/entertainment/matthew-perrys-assistant-sentenced-prison-family-reveals-heartbreaking-betrayal
https://www.foxnews.com/entertainment/matthew-perrys-assistant-sentenced-prison-family-reveals-heartbreaking-betrayal