CLARKSVILLE, TN – The Clarksville Police Department would like to recognize the retirement of K9 Police Dog “Arlo” from police duties effective February 1, 2024. In September 2018, K9 Arlo was 14 months old when he became a patrol service dog with CPD’s Special Operations K9 Services Unit. He was assigned to Officer Seth Paugh and together they attended a 6-week patrol/detection law enforcement training course.