I'm going to give you the benefit of the doubt and presume you don't understand what the words "offensive maneuver" mean.

She was not attacking them. She was clearly trying to leave when an officer violently tried to forcefully remove her from her car.

Fleeing the scene, even when committing was a crime, is not enough to justify deadly force.

There's plenty of court cases to look up if you're uncertain how the American law system works. But I suspect this isn't something you actually care about.

Their lives were not threatened.

She didn't have to die.