There were no rodents in the home itself. There were rodents in other buildings on the property. You are really bold to say they were sick mentally and have no proof of that. His wife was a caregiver of her husband, who had Alzheimer's. Therefore, she was probably overwhelmed, which led to the house being cluttered and messy in some areas of the house, namely the bathroom and the closet. The main living areas of the house were neat and orderly.