Governing Bodies/Associations& Institutes Association of British Investigators professional body for private investigators working in the United Kingdom Crime Reduction Government  site with advice on how to reduce crime Crimestoppers  Trustthe only UK charity aimed at  putting criminals behind bars through an anonymous Freephone number: 0800 555  111 Institute of Professional Investigators An  organisation to assist, regulate or control those engaged in investigation  . admin@ipi.org.uk National Criminal Intelligence Service. PO  Box 8000 London SE11 5EN National Neighbourhood Watch Associationinfo@neighbourhoodwatch.net UK Missing Kids Only police forces can  authorise a missing child being placed on the site. IF YOUR CHILD IS MISSING  DIAL 999 AND REPORT IT NOW. Secure Investigation Services (Sheffield)  Private investigators to the general public, legal profession, business &  commerceinfo@s-i-services.co.uk.