As a public consultation on stop and search in England and Wales nears its end, Newsbeat spent a day with police in Slough to find out what really goes on.
About a million stop and searches are carried out in England and Wales every year but fewer than one in 10 lead to an arrest.
This has lead to criticism that it's a waste of police time.
PCs John Denzel and Tom Roberts from Thames Valley Police in Slough explain to Newsbeat's Nomia Iqbal how they decide to stop and search and how it's conducted.
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