wow, generally the suicidal thoughts don't hit immediately at the point of arrest because you are really amped up on all the adrenaline especially if you've been fighting the cop.

And generally it's men who shoot themselves, but I guess she was just looking inside that car for some way, anyway to kill herself quickly and found an unattended gun. And luckily for her, I guess, she had the energy to actually pull it off - what with all the contorting that was required .