Go to Super sniffers: from sniffing out bombs to detecting cancer, dogs are working to save people's lives
"Courses are kept secret until the day of a show. Handlers are given eight minutes to walk the ring and develop a plan of attack before qualifying begins, but the dogs don't see a single obstacle until their first run. Communication and trust, then, are crucial. "They have no idea, until they step into the ring, what they're doing. And so they're cueing off our body language,""