Select Committee on Public Accounts Sixty-Second Report


1  Releasing prisoners on Home Detention Curfew

1. Home Detention Curfew (HDC) can be a cost effective method of reducing the numbers of offenders in custody. Prisoners can be released under HDC if their sentences exceed three months, and their prison governor is satisfied that they do not pose a risk to the public. Providing that prisoners are suitable for release, they should be released as soon as they reach their eligibility dates. The system has to be robust enough to minimise the risks to the public of releasing offenders who may re-offend whilst on HDC. To achieve this, offenders who are serving sentences for certain crimes are presumed ineligible or may be excluded from HDC, depending on the severity of the crime. The prison carries out eligibility assessments before prisoners are released on a HDC and Probation Officers check the suitability of the curfew address provided by the prisoner before release. Offenders are returned to prison if they do not adhere to their curfew conditions; these are typically 12 hour overnight curfews  (Figure 1) .[4]

Figure 1: Home Detention Curfews allow prisoners to serve part of their sentence at home

1. The mode time taken in cases reviewed by the National Audit Office

Source: National Audit Office

2. When prisoners are released on HDC they are confined to an address for a pre-determined period in every 24 hours. To be released on HDC prisoners must have provided a suitable address in which they will be confined. Probation Officers visit the proposed address to check its suitability and check that the house holder has agreed to the offender being curfewed at that address. Prisons often put in requests for Probation Officers to carry out home assessments when they start their own eligibility checks. In some cases this has resulted in Probation Officers carrying out home assessments for prisoners who were not eligible for HDC. This has taken up valuable probation resources, costing an additional £200,000 a year, and may have given false hope to prisoners and their families. In these circumstances, an interim assessment of available records should have indicated that the prisoner was ineligible for Home Detention Curfew. Delaying the request for a home assessment until after the prison had carried out an interim assessment would have saved money and avoided needlessly raising the expectations of prisoners and their families.[5]

3. Prisons review prisoners' criminal records to check whether they are eligible for release under HDC. Criminal records are held on the Police National Computer (PNC); however, only 44 of the 113 prisons that release prisoners on HDC have access to the PNC. The 69 prisons (60%) without access have to request the details from their nearest prison with access to the PNC, which then posts details to the requesting prison. This has introduced additional delays into the assessment procedure. The Home Office is liaising with the Police Service over improving access to the PNC.[6]

4. When prisoners were transferred between prisons, their security files are transferred with them. Other records, however, are not routinely transferred with prisoners, including their Home Detention Curfew eligibility assessments. As a result, some assessments are wholly or partially repeated, increasing resource usage and delaying release of prisoners under HDC. In the long term, the Home Office hopes to eliminate this problem by making all prisoners' full records available electronically to all prisons by rolling out the National Offender Management Information System. It is confident that the system would work correctly.[7]

5. Prison governors have the ultimate responsibility of deciding whether prisoners should be released on Home Detention Curfew. They have to weigh up the advantages of reducing numbers in custody, the financial savings offered by HDC over prison and the potential rehabilitation advantages of earlier release balanced against the likelihood of offenders breaching their curfew conditions and the primary concern of public protection. Governors are not, however, provided with feedback on whether the prisoners they have released had successfully completed their curfew, even though this could help to inform future decisions. Lowest risk offenders are most likely to be released early on HDC; however, some offenders who had committed indictable offences could be released early if a more thorough assessment indicated that they posed minimal risk. Despite these precautions, some 1000 offenders committed serious offences whilst completing their sentence on HDC (Figure 2). Very few juveniles are released on HDC and as a result they account for only 15 of the violent offences committed whilst on HDC. The Home Office does not monitor offences committed by offenders on Curfew Orders.[8]
Figure 2: 1021 offenders released from prison early committed violent offences whilst on Home Detention Curfew

Note: Information for curfew orders is not available nor is comparative data on adults and juveniles

Source: Home Office data


4   Qq 24, 27; C&AG's Report, part 1 Back

5   Q 17 Back

6   Qq 100-109 Back

7   Qq 19-20 Back

8   Qq 15, 27, 92-93; C&AG's Report, para 4.3 Back


 
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Prepared 12 October 2006