Sir Michael Bichard, the former Whitehall mandarin who conducted the inquiry into the Soham killings, on which the new "Vetting and Barring" scheme was based, has joined calls for a review of the ISA's rules, suggesting the new restrictions on millions of ordinary adults were a disproportionate response to the threat posed by paedophiles. The ISA will become the world's largest vetting and checking system when it starts work next month, checking the backgrounds of an estimated 11.3 million adults in England, Wales and Northern Ireland. Anyone whose work brings them into contact with children will have to undergo checks costing £64, including all teachers, doctors, nurses dentists, pharmacists, prison officers, and school governors and dinner ladies. Most controversially, parents who give lifts to friends' children to attend a football match or Cubs' evening will have to be vetted in all cases where the arrangements are made through the club or organisation. Th