Dr. Armstrong spent twenty years in the U.S. Air Force, Veterinary Corps, and another ten years with the Health Department of the city of Houston, Texas. He is now retired and lives in Kingwood, Te...view moreDr. Armstrong spent twenty years in the U.S. Air Force, Veterinary Corps, and another ten years with the Health Department of the city of Houston, Texas. He is now retired and lives in Kingwood, Texas with his wife, Nita, and his little dog, Charlie. Dr. Armstrong is the author of a second Duncan MacDonell veterinary/mystery, Index of Suspicion.view less