It looks like more Police are agreeing that their needs to be a total independent body to the IPCC Police whistleblowers call for independent body to be set up to expose corruption The Independent Police Complaints Commission was viewed with some suspicion by whistleblowers because of its close links to the police service.  https://www.express.co.uk/news/uk/890495/Police-whistleblowers-independent-body-corruption-job-protection