If you listened to the video, she told her partner to cover while she called backup. And she lost a finger in the exchange, Jerk, so she might not have been able to handle her firearm effectively.
If you can't do in the field what you were trained to do back at the schoolhouse, perhaps you should stay on the porch.
It seemed to me that she did fine, her behavior seemed well within the range of normal competence, you can hear some stress but she did all the actions and performances that she was supposed to and seemed clear headed enough. That finger may have been a huge distraction for her, we don’t know what level of pain and shock it was dealing her.
excuses are not very effective at stopping someone shooting atyou