You are correct. She had an accident in 2020 where she fell down the steps of her home and had a head injury. The alcohol was probably to self-medicate.
Yes.
Before the fall, she was doing very well.
After the fall, they wondered, if she ever would come back from the coma.
She came back, sort of, but she was never Ok since.
Real tragedy.
But, since she was Republican, the media quickly forgot the root cause and just reported on her job problems and alcohol.