**Top 5 Things You Need to Know About Kenneth Iwamasa, Matthew Perry’s Live-In Assistant**
- **The Untouchable Plea:** Kenneth Iwamasa is the only defendant in the Matthew Perry ketamine death case who has **zero legal protections**. Unlike the "Ketamine Queen" and the two doctors, he did not take a plea deal—he pleaded *guilty* without any promise of leniency, meaning he faces up to 15 years in federal prison with no safety net.
- **The "Injection Instructions":** Court documents reveal that Iwamasa literally **administered the fatal dose** on October 28, 2023. He admitted to injecting Perry with multiple shots of ketamine that day, including the final one while Perry was reportedly watching a movie. The government says he did so *despite* knowing Perry was acting "loopy" and slurring his words.
- **From Friend to Drug Mule:** Iwamasa wasn't a stranger; he was Perry's personal assistant and live-in caretaker for **over 25 years**. The indictment alleges he transformed from a trusted confidant into a "key player" in a dark network, using his access to coordinate purchases from the "Ketamine Queen" and even learning how to draw the vials himself.
- **The Payment Method (Dead Giveaway):** Prosecutors say Iwamasa paid for the ketamine using **Western Union money transfers** under a fake name, calling the doctor's office to arrange "co-op" bulk deals. The cross-country trail of cash and text messages is what glued the entire conspiracy together, revealing a deliberate attempt to evade pharmacy regulations.
- **Why He’s Going First:** Iwamasa is expected to be the **star witness** against the doctors and dealer. He’s already admitted to "conspiring to distribute" the drug that killed Perry. While everyone else tries to blame the doctors for over-prescribing or