Kenneth Iwamasa, the live-in assistant of late actor Matthew Perry, was sentenced to 41 months in prison for his involvement in the actor's death. Iwamasa, 60, admitted to injecting Perry with ketamine, a drug he obtained illegally, contributing to Perry's overdose in October 2023. Prosecutors revealed that Iwamasa, who lacked medical training, conspired with two doctors to supply Perry with over $50,000 worth of the drug. During sentencing, Judge Sherilyn Peace Garnett highlighted Iwamasa's awareness of Perry's addiction and his attempts to conceal evidence after the actor's death. Iwamasa expressed remorse in court, stating he would regret his actions for life. Perry's family criticized Iwamasa for failing to safeguard the actor, with his mother and sisters describing him as lacking conscience. Medical officials determined that Perry's death resulted from acute ketamine effects, with drowning as a contributing factor. Iwamasa was the first of five defendants to reach a plea deal in this case, all of whom have pleaded guilty to related charges.