The registry did come up, as soon as they had enough information for it to be useful. They were looking for a specific child, starting just from the images that

The registry did come up, as soon as they had enough information for it to be useful. They were looking for a specific child, starting just from the images that her abuser was sharing on the internet (in which he intentionally tried to hide identifying details). The registry is just a big list of names and addresses.