Your single question
I would have to know about her relationship with them. Interesting control issues, though. There's playing and there's playing. "Let's pretend" is the oldest game in the world. Maybe you don't understand what I mean because I played with dolls when I was little and you didn't. It can seem very real and can be very gratifying. They don't talk back, either.
Are you disappointed that Michael Schaivo wants an autopsy? You were so sure there wouldn't be one.
You want to believe that Michael Schaivo is a filthy beast. You want to believe that holding on to a body whose owner said not to do that is OK. You want to believe that, because he moved on when her parents could not, after 7 years of fruitless effort, he was faithless.
Believe what you want.