She jumped up onto the sidewalk, stopped at he intersection and then accelerated through the crowd.
With her three-year-old in the back.

And then she drove about a mile before she pulled into a hotel and asked them to call the cops because she hit some people.

I don't think that really qualifies as 'snapping.' I don't know what the hell is going on in her head, but I think there may be something else other than "FURD#EIFITFU%R####!!! traffic!!!!"