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:A body camera from Taser is seen during a press conference at City Hall September 24, 2014 in Washington, DC. The Washington, DC Metropolitan Police Department is embarking on a six- month pilot program where 250 body cameras will be used by officers. AFP PHOTO/Brendan SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)
:A body camera from Taser is seen during a press conference at City Hall September 24, 2014 in Washington, DC. The Washington, DC Metropolitan Police Department is embarking on a six- month pilot program where 250 body cameras will be used by officers. AFP PHOTO/Brendan SMIALOWSKI (Photo credit should read BRENDAN SMIALOWSKI/AFP/Getty Images)

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    Senator encourages use of body cameras

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Senator encourages use of body cameras

Senator Tim Scott talks with CNN's Alisyn Camerota about the use of body cameras on police.

Senator encourages use of body cameras

Senator Tim Scott talks with CNN's Alisyn Camerota about the use of body cameras on police.