original_query: What was the reason behind the increased uniformed patrols in the Brixton area?
query: What was the reason behind the increased uniformed patrols in the Brixton area in 1981?
answer: Increased uniformed patrols in Brixton were part of Operation Swamp 81, a plainclothes operation to reduce crime in response to a rising crime rate and the increased use of stop-and-search powers.