Prosecutors said Burda caused Days death and then used his identity to spend money.
Burda was a live-in handyman at Days home in Phoenix, OR.
His condition left the medical examiner unable to determine a cause of death.
Disney
His family has since sued the Phoenix Police Department, claiming emotional distress.
He faced several other charges while out of custody, court records show.
He was already in custody on an unrelated robbery case when he was additionally charged in Days death.
Born in 1942, Day began acting at age 6.
The former Disney star was 76 when he was first reported missing by his husband, Ernie Caswell.
