Check the 3 holes on the top outer edge of the frame on both sides for any distortion. Check the winch mount, winch itself, and it’s function. Check the grill and the body mount under the grill. Check the sway bar link bracket at the axle. Bumper you already know is damaged. After assessing request she pay to have those things fixed, or if she prefers to go through insurance do that. Seeing that she collided with two other cars and she was drunk I’d imagine the police are involved and this will all fall on her insurance.