Vapor wake dogs can detect small amounts of explosives in air . Dogs are trained for job , but less than 10 percent will make the cut . Rob Gillette , a veterinarian who is director of Auburn 's Animal Health and Performance Program , says dogs ' noses are remarkably sensitive instruments that sample the air several times a second . Prisoners in Mississippi , Louisiana , Alabama help with dogs .
Vapor wake dogs can detect small amounts of explosives in air . Dogs are trained for job , but less than 10 percent will make the cut . Prisoners in Mississippi , Louisiana , Alabama help with dogs .