‘The use of large “surge” stop-and-search operations by the police has no discernible effect in reducing crime, according to newly released Home Office research. The study looks at the mass use of stop and search by London’s Metropolitan police to tackle knife crime in 2008/09, at a time when officers were carrying out one search every 20 seconds on average nationwide.’
The Guardian, 17th March 2016
Source: www.guardian.co.uk