UPDATE: Results return in Studebaker Ave. death investigation

AMARILLO, TX - Autopsy results have determined what killed an Amarillo woman, found dead in her home last December.

According to the autopsy, Deidre Black, died from heart disease that was aggravated during an alleged domestic dispute between black and her boyfriend Bobby Phea.

The alleged dispute occurred in Black's home on Studebaker Avenue, December 15, 2010.

Phea remains in Potter County jail, charged with aggravated assault, serious bodily injury.