Well I was just thinking of how that brave boy who went before the house made sure he saved all the credit card numbers of the 1500 clients/sickos that were part of his child p site. Many of them could be identified and prosecuted because he kept those infos.
I was meaning if it came to trial, it makes it easier to identify copyright abusers if you had a link to who had access to the image. I.E. a credit card log.