Brain injuries are weird. It could have been bleeding or swelling that caused her brain to shut down minutes or even hours later. Combo that will the crap in her system, it turned into a bad outcome.
If a mentally ill druggie wants to off themselves, they are welcome to do so but please don't hurt other people or their property. Has anyone sent thoughts and prayers for the people who lost their house?
Never a huge fan of hers, but she could look good when she wanted to. To me, this was her best role. Based on a true story.