She was raping another prisoner. That’s why she being moved. There is no consensual sex in prison.
Solitary confinement is needed in some situations. This isn’t one of them. It is overused but should never be used as a punishment. It should be used to keep people safe.
It’s a blurb of an article and I don’t know the backstory to know what the right answer is.
To me it doesn’t matter if she murdered someone or not. The prison system is supposed to be dispassionate about the crime.