India, Dec. 4 -- A Los Angeles federal judge on Wednesday sentenced Dr Salvador Plasencia to two and a half years in prison for illegally selling ketamine to Matthew Perry in the weeks before the actor's death. He also received two years of probation.

Judge Sherilyn Peace Garnett said that although Plasencia didn't supply the lethal dose, "You and others helped Mr Perry on the road to such an ending by continuing to feed his ketamine addiction."

She added, "You exploited Mr Perry's addiction for your own profit", according to a report by The Associated Press.

His lawyers said he was prepared to begin serving the sentence.

Perry's father and stepmother, John and Debby Perry, submitted a separate letter.

They said Plasencia "didn't des...