Then why hide the body and not report it for 31 days, then lie about it, make up a nanny, get a tattoo saying “good life” etc? The google search for breaking neck?
Then why hide the body and not report it for 31 day
The woman has some obvious mental issues so she isn't going to react to any situation like a normal person would - that doesn't mean that she did it.
In any event, judging a person's reaction to a crime in order to determine their guilt is pure quackery - I don't know why that sort of thing is still allowed in evidence.