I thought it would have come up by now but I see it hasn't.
This guy had a Facebook page for a couple of months showing the same and, again, stating how he worked hard to get the details etc. Turned out that he plagiarised the work from wwwtheratbook.co.uk (no longer active).
It was also revealed that some of the people he put on the site were NOT convicted or even prosecuted i.e. he used reports from newspapers etc about people that were arrested on suspicion etc. Now, given that people in general are of the view of "no smoke without fire" (idiots), it just goes to show how stupid this site is.
The fact of the matter is that, as Sarah's Law and the equivalent in Scotland, is being rolled out which enable parents and carers of children to ask police if there are offenders within their area that present a risk, why do we need (or want) an unregulated project such as this?