PONTIAC, Mich. -

71-year-old Julia Glenn of Pontiac was found dead in a car parked in a driveway on the 200 block of N. Perry early Saturday morning. She was reported missing by her family on Thursday, July 5.

She was at her home on the 500 block of Lenox early Thursday morning and was last seen walking the neighborhood. It was reported she had dementia.

The cause of death is under investigation but police believe heat may have been a factor. Foul play is not suspected.