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As I understand it, the purpose of the TSA dog is to detect explosives. It was communicated to me that dog is constrained resource that would somehow alleviate a bottleneck. How would having an unlimited supply of TSA dogs alleviate long wait-times?

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    The TSA staff need somebody to handle the paperwork. – Malvolio Feb 2 '17 at 21:10
  • @Malvolio in the same way that my dog handled my homework when I was in school. – phoog Feb 2 '17 at 21:15
  • Who claims the dog is there to "expedite the screening process?" – Zach Lipton Feb 3 '17 at 1:06
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    They don't actually say it's to expedite the screening process. Detection canines are widely used around the world by real security agencies such as CBP/Border Patrol. Unsurprisingly, it took TSA 12 years to realize this. I think the initial batch were borrowed or trained by CBP. – Johns-305 Feb 5 '17 at 19:30
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Generally, a handler will walk with the dog along a line of luggage or passengers. The dog will 'alert' if it smells something it's be trained to notice like chemicals used in explosives or food. An alert can be a bark or the dog sits down, something like that.

I've seen dogs working at baggage claim and at lines for security screening.

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  • As well as currency – Giorgio Feb 2 '17 at 23:48

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