The LAPD, DEA, and U.S.

Postal Inspection Service have been coordinating an investigation into the actor’s death at 54.

The investigation intoFriendsstarMatthew Perry’sdeath from acute effects of ketaminecould soon result in criminal charges.

Matthew Perry

Matthew Perry.David M. Benett/Dave Benett/Getty

The source added that the U.S. Attorney’s Office would make the ultimate decision on whether to press charges.

A representative for the U.S.

Attorneys Office declined to comment toEntertainment Weeklyon Tuesday.

Courteney Cox and Matthew Perry on ‘Friends’

Courteney Cox and Matthew Perry on ‘Friends’.Everett Collection

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

Everett Collection

Last month, Los Angeles Police Capt.

Scot Williams told EW that theinvestigation into Perry’s death was never closed, despitea report suggesting the contrary.