In a harrowing turn of events surrounding the tragic death of actor Matthew Perry, his assistant Kenneth Iwamasa has pleaded guilty to conspiracy to distribute ketamine, which resulted in Perry’s passing. This development follows the late actor’s untimely death in October 2023, when he was found in a hot tub, with the cause later identified as acute ketamine effects. Iwamasa’s sentencing is scheduled for May 27.
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Perry’s sisters, Caitlin and Madeline Morrison, have recently expressed their deep anguish and feelings of betrayal in impactful statements submitted to the court. Their reflections highlight the emotional toll of discovering Iwamasa’s role in their brother’s drug use and eventual death. Madeline described the painful experience of reliving their grief, stating, “In many ways, it felt like my brother died all over again,” after learning about Iwamasa’s actions leading up to Perry’s death.

The Morrison sisters portrayed Iwamasa as someone who not only failed to protect their brother but also exacerbated the situation. In their statements, they illustrated how Iwamasa allegedly injected Perry with the drug multiple times on the day he died, with no medical training. They accused him of misleading the family while mourning, with claims that he attempted to distract them from the truth surrounding their brother’s overdose.
Madeline recounted unsettling memories of direct interactions with Iwamasa shortly after Perry’s death. She described him as appearing “manic” while sharing his version of events, suspecting he was attempting to manipulate the narrative of that tragic day. She felt that his actions altered their final memories of saying goodbye during Perry’s funeral, where Iwamasa even spoke in front of grieving loved ones, deepening the family’s sense of loss and betrayal.
Caitlin further voiced her anger, expressing a lack of empathy for Iwamasa. She questioned his motives, speculating on whether he acted out of guilt or indifference when he left the house after Perry’s death. Caitlin condemned his actions, stating she would never attempt to mislead grieving family members following a tragedy like the one they experienced.
The Morrison sisters elaborated on the legal proceedings surrounding Perry’s death. Kenneth Iwamasa is one of several individuals implicated in the incident, which includes alleged conspirators Jasveen Sangha, Erik Fleming, and Dr. Salvador Plasencia. All four defendants have faced convictions or pleaded guilty to charges related to the provision and administration of ketamine. Sangha, known as the “Ketamine Queen,” received a 15-year sentence in relation to the case.
In her victim impact statement, Madeline highlighted a remark made by the judge during Sangha’s sentencing regarding culpability. She questioned the distinction between the drug dealer supplying the lethal drug and the assistant who administered it, presenting a moral dilemma surrounding responsibility in Perry’s tragic demise.
Iwamasa’s guilty plea followed a comprehensive investigation by the Department of Justice, which uncovered that he had allegedly administered ketamine to Perry, among other accusations concerning the distribution of controlled substances. Prosecutors have recommended a sentence of 41 months in prison, alongside three years of supervised release, despite the maximum penalty potentially reaching 15 years.
The emotional and psychological havoc endured by the Morrison family is profound, as they continue to navigate their loss. Madeline poignantly expressed a longing to remember her brother not by his death, but by their joyful moments together, asserting a desire to reclaim the happiness overshadowed by the tragedy.
As Kenneth Iwamasa awaits sentencing, the Morrison family’s heart-wrenching journey underscores the devastating impact of substance abuse and betrayal among loved ones. Amidst their grief, they stand as advocates for accountability and remembrance of a life that brought joy to many.
For anyone grappling with substance use issues, support services such as the SAMHSA helpline are available to provide assistance and guidance.
