>follow my nose to what?

>Last night, we were watching Cops. I don’t know what it is exactly, but something always draws us to watching crime shows, and I think the most amusing ones are Cops and To Serve and Protect, just because the people getting arrested come up with some pretty weird excuses for why they have drugs on them or why they’re down in the alley where they got nailed.

Anyway, last night, they had to bring in a dog to chase someone down, which is always fun. But it got me thinking. Police dogs are supposed to sniff, right? That’s how they find their man. But I know dogs love to sniff everything, and any scent is interesting to them. So how do the police know if the dog is really on the trail? How do they know it hasn’t caught the smell of another dog, a nice plant, or who knows what? I know they’re trained, yada yada yada, but they can still get distracted. It was just a question that crossed my mind last night.

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