The “Friends” star died suddenly in October 2023, from acute effects of ketamine.

The tragic death ofMatthew Perryis still under investigation.

Los Angeles Police Capt.

Matthew Perry

Matthew Perry.Mike Pont/WireImage

Scot Williams confirmed in an email toEntertainment Weeklythat the investigation into Perrys death was never closed.

At the time, authorities said there wasno indication of foul play.

(Buprenorphine is a prescription medication that is used to treat opioid use disorder.)