The US Department of Justice on Monday said a woman known as the "ketamine queen" has agreed to plead guilty to supplying the drug that killed "Friends" actor Matthew Perry.

Jasveen Sangha, who had been scheduled to go on trial in September, will plead guilty to five federal charges, the department said in a statement.

She was one of five people charged in the case. Another defendant, California doctor Salvador Plasencia, pleaded guilty to four counts of illegal distribution of ketamine in July.

What caused Matthew Perry's death?

The Los Angeles County Medical Examiner found that Perry died on Oct. 28, 2023, from the acute effects of ketamine.

The autopsy concluded the drug caused him to lose consciousness and drown in his hot tub.

Other contributing factors included medication in his system and his long history of addiction. Perry was 54 years old when he died.

He had publicly acknowledged years of substance abuse, including during his peak fame in the 1990s. Perry was best known worldwide for playing Chandler Bing on the hit NBC comedy "Friends."

In later interviews, he said he hoped his openness about his struggles would help others.

Edited by: Richard Connor