 Since the drug is metabolized in a matter of hours, the amount in his system at the time of his death came from somewhere else. According to People, the LAPD has been working with the DEA and the US Postal Service to determine where that ketamine came from. The decision whether to press charges will be up to the US Attorney's Office. Since his death in 2023, the Matthew Perry Foundation was created to help people with addiction. This disease, addiction, the big terrible thing, is far too powerful for anyone to defeat alone.