Earlier quoted context omitted.
Wrong conclusion. I think that she must have been emotionally scarred by the accident. Did the accident make it easier for her to kill those faculty members yesterday? That's really hard to say. Would it be easier for the former first lady to murder someone because of the deadly car accident she was involved in? I'm inclined to say no.
The Braintree police don't seem to think that it was an accident. To be sure, they seem to be operating on "oral history".
If the reports that 3 rounds were fired are correct, that's some "accident".