OK seriously - I never thought I would defend her but she's surround by idiots taking flash pics - have you ever been blinded by a flash in the dark? Imagine how you feel after your been asleep a few hours and someone shine a flash light in your face - you can't see shit. She couldn't drive away because the car was surrounded by photogs - that's why she tried backing away from them.
Admittedly if I had to deal with people surrounding my car like that on a weekly or daily basis I'd be probably be a bit crazy myself.
And if she were driving aimlessly through LA how could a bunch of photogs know where she was? Seriously they were all over her car on foot.