(Video: Erin Patrick O'Connor/The Washington Post, Photo: Jahi Chikwendiu/The Washington Post)
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The TSA relies on dogs to sniff out explosives

January 17, 2016 | 8:33 PM GMT
The Transportation Security Administration relies heavily on trained canines to screen passengers for explosive material. Under TSA supervision, the Post's Andrea Sachs conducted a training exercise at Reagan National Airport by strapping explosive material around her waist and testing the canine's ability to sniff out suspicious material.