Matthew Perry

In his plea agreement, Mark Chavez pleaded guilty to one felony count of conspiring to distribute Ketamine — a powerful anesthetic used in surgery. Jonathan Gonzalez reports for the NBC4 News at 5 p.m. on Oct. 1, 2024.

One of two doctors charged in the investigation of the death of Matthew Perry pleaded guilty Wednesday in a federal court in Los Angeles to conspiring to distribute the surgical anesthetic ketamine.

Dr. Mark Chavez who was one of five charged in the death of Matthew Perry appeared in federal court Friday. He’s a one of three who made plea deals with authorities to help them prosecute the other two. Ted Chen reports for the NBC4 News at 4 p.m. on Aug. 30, 2024.

Authorities say a woman dubbed the “Ketamine Queen” was tied to the death of “Friends” star Matthew Perry. An expert says the problem with ketamine is a larger issue. Ted Chen reports for the NBC4 News at 5 p.m. on Monday, Aug. 19, 2024.

Five people have been charged for various offenses contributing to Matthew Perry’s ketamine death. Though Matthew’s personal assistant has already plead guilty to a relatively minor federal charge after administering the final fatal dose, could the state seek even more serious punishment?

Days before his death, Matthew Perry had an “adverse medical reaction” to an at-home ketamine injection that left him unable to speak or move, according to federal prosecutors.

Matthew Perry’s final interaction with Kenneth Iwamasa before his death has surfaced, revealing the actor allegedly asked that his third, fatal dose of ketamine be a “big one.”