After nearly three weeks the coroner has confirmed that Michael K. Williams death at age 54.
According to People, the New York City Office of the Chief Medical Examiner announced Friday that Williams died by “acute intoxication by the combined effects of fentanyl, p-fluorofentanyl, heroin and cocaine.”
The manner of death was ruled an accident.
The Wire actor was found dead in his Brooklyn penthouse apartment on Sept. 6, PEOPLE previously confirmed. Williams’ nephew discovered his body in the living room.
Drug paraphernalia was found in the apartment, the New York Post reported.
A separate law enforcement source previously told PEOPLE that Williams died of a suspected overdose and that officials believe he may have used heroin laced with fentanyl.
“It is with deep sorrow that the family announces the passing of Emmy nominated actor Michael Kenneth Williams,” Williams’ rep told PEOPLE at the time. “They ask for your privacy while grieving this unsurmountable loss.”
Michael was buried on September 14th.