Not as bad as your story, but my wife drove to our local community center parking lot, with our infant in the back. She got out of the car and started talking to a friend about 20 feet from the car (windows down, not hot). Another woman called the police complaining that the kid was in the car unattended. They came and threatened to get CPS involved. In the end nothing happened, but it was scary how the situation escalated so quickly.