Independent Police Commissioner for Wales Jan Williams told ITV News that the Independent Police Complaints Commission (IPCC) has three investigations into police forces in South Wales, South Yorkshire and Bedfordshire looking at their responses to allegations concerning Watkins.
She said the IPCC "owed" it to the wider public to determine whether Watkins could have been brought to justice sooner.
More top news
Tonight will remain mostly dry apart from the odd shower in places.
The mother of missing 19-year-old James Corfield from Montgomery read an emotional statement at the Royal Welsh showground this afternoon.
71-year-old Raymond Hodges was convicted of 24 charges spanning almost a decade.