United Kingdom, May 21 -- Matthew Perry "paid the price" for trusting his former assistant Kenneth Iwamasa, according to his mother.

The Friends star's mom Suzanne Morrison has taken aim at Iwamasa, 60, in a victim impact statement - obtained by PEOPLE - ahead of his sentencing hearing after he pleaded guilty to conspiracy to distribute ketamine in connection with the actor's death from a drug overdose at his home in Los Angeles in October 2023.

In the statement, Morrison insisted Iwamasa was supposed to be her son's "companion and guardian in his fight against addiction" and to help him remain "drug free."

She went on to claim Iwamasa - who was accused of injecting Perry with potent drugs on the day he died - of betraying the family's...