Three bodies were found in the burned remains of a house northeast of Casa Grande on Friday morning.
The Pinal County medical examiner announced Monday that one of the victims was Joyce Bonenburger Brough. The identities of the other two victims have not been made pending receipt of dental records.
The house was fully engulfed when firefighters from the regional fire departments arrived about 6:37 a.m. at the Desert Highlands subdivision in unincorporated Pinal County, said Pinal County sheriff's spokesman Tim Gaffney.
Gaffney said records show the home was owned by 50-year-old Dennis Edward Brough and his wife, 51-year-old Joyce Bonenberger Brough. Their 11-year-old son Trevor also lived at the residence. The vehicles owned by the family were parked at the residence.
One neighbor reported breaking a window and yelling to the family but no one came out.
Pinal County Sheriff Paul Babeu said the woman is a surgeon at Casa Grande Regional Medical Center and her co-workers sent someone to check on her when she hadn't arrived at work and didn't answer the phone.
Gaffney said investigators were in the early stages of their investigation, and it would take some time for the scene to be processed.
The bodies were badly burned. The official causes of death will be determined by the medical examiner's office, Sheriff Paul Babeu said.
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