(L.A.) William Muma, 65, Died at a Residence

Case Number: 2025-15705

Los Angeles County is reporting the death of a 65-year-old Latino male that occurred at his residence.

The coroner’s office has identified the man as William Muma. Born in L.A. County.

Manner of Death: Accident

Cause of Death: Effects of Fentanyl

Other Significant Condition: Arteriosclerotic Cardiovascular Disease

RIP WILLIAM J MUMA (August 28, 1960 – October 4, 2025)

Formal pronouncement of death was made on Saturday.

Ruling by the deputy medical examiner was published on December 14, presumably after the results of tox screening had come back from the lab.

This is considered an accidental, i.e., unintentional, drug overdose.