Sam was a great dog that loved people & other dogs . He was a great working dog used for demonstration's for clients & as a distraction for other dogs in training , some of the training dog's would have liked to have taken a bite out of Sam while he did the distraction work ,but Sam never paid them any attention & went on with his work. Sam was a great reproducer of calm steady nerved pups that have the natural ability to please there owners , one that went on to win in the trials & his most well known son Mcknights Detective Serpico CD ,RN , C.G.C. OFA-VPI ,DNA . Sam past away from cancer on August 18,2010 & will be missed by all that knew him.