The Seattle Times

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Charles Dharapak / The Assoicated Press

Wednesday, July 9, 2014

K-9 patrols sniffing near White House

A Secret Service police officer patrols with a dog in front of the White House on Wednesday. Although the Secret Service has used police dogs since 1976 to pre-screen areas for presidential visits, this is the first time they’re being broadly deployed among the general public.