Stop and Search Tactics, Do you prevent crime or breed hate?

There has been a lot of talk recently regarding Stop and Search Powers and the use of them. This intrusive tactic has been used by Police Forces all over the country for many years, but does it work? Knife crime in Inner City London has gone through the roof during a time where Officers have been told to stop using their Search powers and in some cases disciplined for over use. So if Stop and Search is reduced and knife crime grows, what is the answer to stopping young men