Gary Pugh, director of forensic sciences at Scotland Yard, said that if primary school children behaved in a way that indicated they could become criminals in later life, they could be put on the database.
Mr Pugh, who is also the new DNA spokes for the Association of Chief Police Officers, said a debate should be started on how far the country should go to identify potential offenders.
Children as young as FIVE should be put on DNA list, says forensics expert | the Daily Mail