Patient Success Story: TSgt (Ret) Timothy and Timi the K9 Unit. by highmntcanstg | Jun 13, 2018 | Patient Success StoriesJuly Patient Success Story: TSgt (Ret) Timothy and Timi the dual-purpose K9 Unit. Photo Details: Staff Sgt. Timothy Evans, 11th Security Forces Squadron, poses with his dog Timi, a 5-year-old dual-purpose explosive detection...