From what I'm reading and hearing, it sounds as if there is nothing in place at present for a minimum timeline. In Tori's case, if they had been able to stop them before they hit the 401.... Six months is nothing compared to the trauma they instilled in that child in the timeline they had. Because at her age, it would have stayed with her indefinitely; she would have been remembering that constantly.
I don't know if a minimum of five years is enough time, but it's a start. I believe we need to have something in place to get the message across that we will not stand for people taking our children, whether we know them or not. It's deplorable.