May 27 (UPI) -- Kenneth Iwamasa, a personal assistant who worked for Friends actor Matthew Perry, was sentenced Wednesday to three years and five months in prison for injecting Perry with the dose of ketamine that killed him.

Judge Sherilyn Peace Garnett handed down the sentence to 60-year-old Kenneth Iwamasa in federal court in Los Angeles. He was also sentenced to two years of probation and a $10,000 fine.

Matthew Perry’s assistant has been sentenced to almost 3 1/2 years for injecting the actor with the ketamine that killed him. The judge acknowledged that there was no evidence he acted with malicious intent.

Mstthew Perry's assistant, Kenneth Iwamasa has been convicted and sent to prison for 41 months for injecting ketamine in the actor before his death.

'Friends' actor, Matthew Perry's assistant, Kenneth Iwamasa, has been sentenced for 41 months in prison for his role in the actor's ketamine overdose.