The final autopsy for actor Gene Hackman has been released by the Office of the Medical Investigator in New Mexico, confirming that signs point to heart failure as the likely cause of death.

PEOPLE obtained a final autopsy report regarding Gene Hackman and his wife Betsy's February deaths on Sunday, April 27. New Mexico's Office of the Medical Investigator ruled on Feb. 27 that Gene died of hypertensive and atherosclerotic cardiovascular disease,