Kenneth Iwamasa, the personal assistant of late actor Matthew Perry, was sentenced to 41 months in federal prison for injecting the actor with a fatal dose of ketamine. This sentencing concludes the prosecution of five individuals involved in Perry's death. Iwamasa, who had been Perry's assistant since 2022, injected him with ketamine at the actor's request before leaving to run errands. Upon his return, Perry was found lifeless in a hot tub. An autopsy confirmed that the cause of death was the acute effects of ketamine, which led to Perry losing consciousness and ultimately drowning. Iwamasa pleaded guilty to conspiracy to distribute ketamine resulting in death and admitted to administering multiple doses of the drug without medical training. He provided key testimony against other defendants, including a drug dealer who received a 15-year sentence. Perry, known for his role as Chandler Bing on the popular television show