Matthew Perry’s former personal assistant, Kenneth Iwamasa, was sentenced this Wednesday by a Los Angeles judge to three years and five months in federal prison for injecting the Friends star with several doses of ketamine, the drug that caused his death on October 28, 2023.
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The court ruled that the accused must also serve two years of supervised probation and pay a fine of $10,000 (about 8,500 euros) to the U.S. government, according to the NBC News channel.
Iwamasa confessed last August, after his arrest, to being directly responsible for administering the ketamine doses to the actor in his final weeks of life, repeatedly injecting the substance “without medical training, including multiple injections” on the day of his death, according to the prosecution.
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The prosecution claims that Dr. Salvador Plasencia, one of the five involved in his death, instructed Iwamasa to “inject ketamine to Perry,” leaving him vials for self-administration without the proper safety equipment.
Following this sentence, California justice definitively closes the case of the actor’s death, which involved Jasveen Sangha, known as the Queen of Ketamine, doctors Plasencia and Mark Chávez, as well as Erik Fleming, who coordinated the delivery of ketamine to the actor’s home.

Perry, popularly known for his role as Chandler Bing in the Friends series, had spoken publicly about his battle with addictions in his memoir Friends, Lovers, and the Big Terrible Thing: A Memoir (2022).