Sarah's law: should it be brought into effect for sure in the UK?

what are your views on sarah's law? sarah payne who was killed by paedophile roy whiting, the sicko, now in jail. her mum sara has wanted a law to be legislated for years for society to know and be aware of what the homes are of existing sex offenders? i think it would help if society were aware. what are your opinions? im being controversial today, interested to know your views.