Shouldn't police officers be trained to handle stressful situations? If this shows she can't deal with it then perhaps she shouldn't have been a police officer to begin with?
Agreed, officers should be trained to deal with Stressful situations. Still, no amount of training can completely insulate you from reacting instantaneously to a perceived threat. But, yeah, better training maybe avoids this travesty or perhaps, better training costs you that split second which finds you dead.
Donno.