The Saginaw police said that an autopsy was performed on the two dead bodies found in a home in the city.
The two people, 54-year-old Yvonne Mallett, and 58-year-old Napoleon Buford, Jr. died of Carbon Monoxide poisoning, according to the report.
Police searched the home and found a generator in the basement with all of the fuel used. Additionally there was a propane turkey cooker and a lawnmower in the home.
The house, said police, smelled of gasoline.
Mallett was found dead in a bedroom, while Buford was found in a bathroom.
The Saginaw police are interviewing witnesses and the investigation is still on-going.