>Apparently he demanded the keys, she refused. So he shot her
>and took them.
>
>If I were a criminal, I would think the best course of action
>would be to threaten again. If she still refuses, let her win.
>Flee the scene.
>You live (stay out of jail/investigation) to try to rob
>again.
>
>I can't see how shooting the car owner would ever be the best
>choice unless you are trying to uphold your reputation that
>your threats are credible.
>
>
either its was stupidity (not having a clear exit plan or panicking in the moment)

or he has some emotional demons at work

But, then again if you're sticking people up for relatively small gains I guess you're not really thinking ahead