A 3-year-old German shepherd who weighs in at about 75 pounds, Duke and Deputy Brian Scott have been training and working together about eight weeks. But Scott, an 11-year veteran of the Sheriff’s Office who has three dogs of his own, said he’s been training with K-9s for the last five or six years and recently attended “agitator school” to learn how to work with dogs. “Working with K-9s over the years, I found it rewarding to see the bond handlers had with their partners,” he said. “Somehow I wanted to be part of that.