On the job for several weeks, Smith Counties new drug dog has made another successful drug bust. It's the second bust in the last two days for the canine named "Keith". Found during a traffic stop, the dog sniffed out 8 pounds of marijuana and 12 grams of cocaine. It's street value is estimated at fifty-five hundred dollars. The drugs were hidden inside of a white Plymouth Neon. Three Dallas men have been charged with possession of cocaine and marijuana.