This does not matter. She was using a vehicle in a deadly manner, and was backing up ramming into police vehicles. Even if she was fleeing the police can use deadly force if she possessed an immediate threat to the safety of the officers or to the public. As mentioned before, she was using a vehicle to ram into police vehicles. If a cop was in front of that car he would have been hit with a substantial chance of great bodily injury or death.
They may be DEA clowns who have got the wrong address, or they may be predators acting like cops to get their victims to submit. Guess wrong and a real cop will be putting tape around the scene and outlining your body in the morning.
This is correct if you believe the police version of events. I don't.