Not funny to make derogatory comments about a mentally deficient person, especially when they are obviously on the way to see a doctor about having their medication adjusted.
If you're allowed to drive, you should mentally be capable of getting from point a to point b without malfunctioning. The fact that this was even considered such a problem to her that she needed to get out of her car and call the cops instead of ACTUALLY taking care of herself should be a deciding factor, she should not be behind a wheel.
There is a video of this PYSCHO BITCH
i say she needs her license taken away,