5 members found dead in ohio garage

In the garage of the family Toledo was a vehicle were the bodies of 54 years old Sandy Ford; her 32 year old son,andy ford;and her grandchildren, 10  year old Paige, 6 year old Logan and 5 year old Madalyn .
Sany ford´s husband called the police monday afternoon to say he return home and found suspicious notes in the house from his wife, son and grandkids.He said he wasn´t able to enter the garage.
Investigators believe they died of carbon monoxide poison.
they said that Sandy Ford had primarily taken care of the children at her residence las four years, but their parens were trying to have full custody of their children, Sandy as upset about that, and he believe that was the motive for the murder-suicide.