Yes it was. A person can do terrible things at any given moment and under certain circumstances, but a normal person feels guilt.
She’s a psychopath who only thinks in terms of what was being denied to her affects her. Paul Bernardo, in Canada, had the same thing when he was denied parole. He wanted parole for how it would affect his life, because he wanted to experience relationships and whatever, and he had no thought about the two girls he killed or the sexual assaults he committed.
Who said the Devil can have a pretty face?