Matthew Perry

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.”

Soaring interest in psychedelics as a mental health treatment has fueled a boom of clinics across the U.S., touting a drug best known in the club scene. Using ketamine to treat depression is legal and doctors say it can be a gamechanger, but NBC New York’s Adam Kuperstein found it’s also a largely unregulated industry that comes with serious...