Photo: Associated Press

This undated photo provided by the Fayetteville Police Department shows Officer Stephen Carr. Carr was fatally shot Saturday night, Dec. 7, 2019 while sitting in his patrol vehicle outside police headquarters in Fayetteville, Ark. (Fayetteville Police Department via AP)

Riley Donovan fondly remembers spending Friday nights under the stadium lights alongside his good friend and teammate Stephen Carr.