By CBS13 Staff

SACRAMENTO (CBS13) — An arrest was made this weekend in connection to a 61-year-old woman who was found dead after a house fire in Sacramento Friday.

The suspect—Troy Davis, 51—had already been arrested Saturday on separate parole violation charges and warrants. On Sunday, he was also charged with murder, arson, burglary, and sex assault charges. The Sacramento Police Department said it is believed the victim and Davis were not known to each other.

READ MORE: Scott Peterson Set To Be Re-Sentenced For Murder Of Pregnant Wife

Firefighters and arson investigators responded to the fire in the 2200 block of 11th Avenue when they discovered the adult woman inside, according to Sacramento Police.

READ MORE: Person, Cat Rescued From Citrus Heights Apartment Fire

The circumstances surrounding the incident are under investigation and detectives are still collecting evidence, interviewing possible witnesses and canvassing the area to determine what happened.

MORE NEWS: Deputies Searching For Home Invasion Robber Who Targeted Mountain House Residence

The name of the woman has not been released.