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Matthew Perry's Live-In Assistant Sentenced to Over Three Years

Kenneth Iwamasa, 60, received a prison term exceeding three years for supplying the ketamine that caused the actor's death in 2023. He is the fifth and final person sentenced in the case.

DA
CBS News
2 sources·May 27, 7:16 PM(1 day ago)·1m read
Matthew Perry's Live-In Assistant Sentenced to Over Three Yearsgamereactor.eu
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Kenneth Iwamasa, Matthew Perry's live-in assistant, was sentenced to more than three years in prison for his role in the actor's 2023 death. Iwamasa, 60, supplied and injected Perry with ketamine on multiple occasions, including the dose that proved fatal.

The sentencing marks the conclusion of criminal cases tied to Perry's death. Iwamasa is the fifth and final individual to receive a prison term in connection with the incident.

Perry died on October 28, 2023, after the ketamine injection administered by Iwamasa. Federal prosecutors said Iwamasa obtained the drug outside legitimate medical channels and administered it despite knowing Perry's history of substance issues. " The court record shows Iwamasa pleaded guilty to charges related to distribution of ketamine resulting in death.

Key Facts

Over three years
prison sentence given to Kenneth Iwamasa
Fifth person
final defendant sentenced in Perry ketamine case
October 28, 2023
date of Matthew Perry's death

Story Timeline

2 events
  1. October 28, 2023

    Matthew Perry died after receiving a ketamine injection from his assistant.

    2 sourcesCBS News · Daily Caller
  2. 2025

    Kenneth Iwamasa, 60, was sentenced to over three years in prison.

    2 sourcesCBS News · Daily Caller

Potential Impact

  1. 01

    All five defendants linked to Perry's death have now been sentenced.

Transparency Panel

Sources cross-referenced2
Confidence score74%
Synthesized bySubstrate AI
Word count127 words
PublishedMay 27, 2026, 7:16 PM

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