No, she was negligent, maybe. Negligent or not, she was "Incompetent" at the very least.
To be negligent is to be neglectful. Negligence is an important legal concept; it's usually defined as the failure to use the care that a normally careful person would in a given situation. Negligence is a common claim in lawsuits regarding medical malpractice, auto accidents, and workplace injuries.
That's a legitimate argument, but one to be made in civil, not criminal, court.
Negligent injury, negligent homicide or both criminal
...and civil
Give a man a fish and he eats for a day. Give a man a welfare check, a forty ounce malt liquor, a crack pipe, an Obama phone, free health insurance. and some Air Jordan's and he votes Democrat for a lifetime.