Ken Iwamasa sentenced for Matthew Perry ketamine death

The final defendant in the two-and-a-half-year investigation into the death of actor Matthew Perry is scheduled for sentencing Wednesday in a Los Angeles federal courtroom. Kenneth Iwamasa, a 60-year-old former personal assistant, pleaded guilty in August 2024 to one count of conspiracy to distribute ketamine resulting in death. He is the last of five individuals to be sentenced in connection with the case.

Prosecutors have asked U.S. District Judge Sherilyn Peace Garnett to sentence Iwamasa to three years and five months in prison. They have described him as the most important witness in their investigation, noting his cooperation secured a significantly lower recommended sentence than he might otherwise have faced. Four other co-defendants have already received sentences over the past year.

According to court documents, Perry hired Iwamasa in 2022, paying him $150,000 annually to live in his Los Angeles home as a live-in assistant. The actor had been legally receiving ketamine, a surgical anesthetic, under medical supervision for depression. However, investigators said Perry sought larger quantities than his doctor would prescribe.

Iwamasa’s plea agreement states he procured...