One in five crimes in Cornwall and Devon, including serious offences such as rape, could be going unrecorded by police, leading to serious concerns about the true level of crime in the county.

An interim report on crime data integrity by Her Majesty's Inspectorate of Constabulary (HMIC) following an inspection of 13 police forces, including Devon and Cornwall Constabulary, has identified serious concerns about the crime-recording process.

HMIC has found weak or absent management and supervision of crime-recording, significant under-recording of crime, serious sexual offences not being recorded, and some offenders having been issued with out-of-court disposals when their offending history could not justify it.

HMIC’s inspection of crime data integrity intends to identify to what extent police-recorded crime information can be trusted.

The interim report is based on inspections carried out in 13 police forces, and sets out the emerging themes so far.

This inspection – which looks at how the Home Office Counting Rules (HOCR) and National Crime Recording Standard (NCRS) are applied – has identified "serious concerns" in the emerging picture. HMIC has found:

  • Weak or absent management and supervision of crime-recording.
  • Significant under-recording of crime.
  • Serious sexual offences not being recorded – HMIC identified 14 rapes not recorded.
  • A lack of victim focus by the police when making crime-recording decisions.
  • Some offenders having been issued with out-of-court disposals when their offending history could not justify it, and in some cases they should have been prosecuted.

HMIC highlights that if the findings for the first set of forces are representative across all forces and all crime types, this implies that 20 percent of crimes may be going unrecorded. Some forces have performed better than others.

The report sets out a number of reasons for these concerns, such as poor knowledge of the recording rules, inadequate or absent training in how to use them, poor supervision or management of police officers and the pressure of workload – where police officers have been managed in such a way as to overload them with cases.

The inspection has also identified strengths which are common to all of the forces visited so far: When crime reports are recorded, the classification of the offence which is recorded is correct on almost every occasion.

By listening to calls made to the police, HMIC is finding that victims of crime receive a professional service with call-takers being polite, helpful and showing empathy to the needs of the victim during initial contact with the police.

As well as the emerging themes from the first 13 forces, today’s interim report sets out HMIC’s full methodology for this inspection, which has been developed in consultation with other organisations.

HMIC says it must be emphasised that this is an interim report and that the only statistically significant finding is the national one, and that will be available in the final report in October 2014. This report contains emerging themes, not final conclusions.

HM Chief Inspector of Constabulary, Tom Winsor, said: “The accuracy and integrity of police-recorded crime data are vital to public trust in the police. The HOCR and NCRS are not optional – every police officer should be able to understand and properly apply them, and every police force should adhere to them.

“The consequences of under-recording of crime are serious, and may mean victims and the community are failed because crimes are not investigated, the levels of crime will be wrongly under-stated, and police chiefs will lack the information they need to make sound decisions on the deployment of their resources.

“Although this is an interim report, and we have identified common strengths, we are seriously concerned at the picture which is emerging – particularly about the significant under-recording of crime, and serious sexual offences not being recorded.

“This is an inspection of the integrity of police-recorded crime data – not an inspection or inquiry into the integrity of the police. HMIC will inspect the remaining forces in England and Wales to provide a full picture of crime data integrity, with the final report published in October 2014.”