(L.A.) Arnold Dunham, 80, Died at a Residence

Case Number: 2026-04311

Los Angeles County is reporting the death of an 80-year-old White/Caucasian male that occurred at his residence.

The coroner’s office identified the man as Arnold Dunham.

Manner of Death: Natural

Cause of Death A: Sudden Cardiac Dysfunction

Cause of Death B: Arteriosclerotic Cardiovascular Disease

Other Significant Condition: Chronic Lymphoblastic [sic] Leukemia

RIP ARNOLD DUNHAM ( March 12, 2026)

Formal pronouncement of death was made on Thursday.

Chronic Lymphocytic Leukemia (CLL) is a slow-growing blood cancer that primarily affects mature lymphocytes. It is the most common leukemia in adults.

Acute Lymphoblastic Leukemia (ALL) is a rapidly growing blood cancer that affects immature lymphocytes (lymphoblasts). It is more common in children but can also occur in adults.