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.
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18-year-old Ahmed Hassan of Sunbury, Surrey, has been charged with attempted murder.
The company has been operating in the city since 2016.
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