At the end of 2012, anti-corruption investigators who are responsible for police integrity was handling a workload of 245 police corruption cases each month. The number of cases handled by the units was 62 percent higher than the previous year. 8 out of the 10 cases involved situations where police officers disclosed information to criminals and other third parties.
Between September 2011 and May 2012, public integrity investigators handled 2,207 investigations into corruption by police officers in the United Kingdom.
Source: Robert Verkaik, “Shocking 62% rise in police officers being investigated for corruption with eight out of ten accused of illegally disclosing information,” Daily Mail, December 22, 2012.