TOLEDO, Ohio – Caught up in a family disagreement over who should care for three young children, a grandmother and her son barricaded themselves and the kids in a garage and filled it with deadly carbon monoxide gas. All five died.

Police spent Tuesday trying to explain the heartbreaking scene discovered a day earlier at the home of 54-year-old Sandy Ford and her son Andy in a quiet Toledo neighborhood.

Firefighters using a sledgehammer broke down the garage door to find the bodies of 5-year-old Madalyn Hayes, her 6-year-old brother Logan and 10-year-old sister Paige slumped inside a car, along with their grandmother and uncle. Two hoses attached to the exhaust of a pickup truck pumped gas fumes through the car's rear window.