Over 200 police officers were sacked, suspended or quit the force in 2006 because of their involvement in crime or for neglecting their duties. Of these, 113 were fired outright and 42 left during an investigation, according to police figures.

In total 1,393 investigations into police behaviour were carried out, of which 699 cleared the officers involved. In 180 cases police officers were found to have committed criminal offences, ranging from violence and sex crimes to abusing their position.