From the plaque:
Murph
July 2, 1979-November 21, 1986
Career Highlights
Officer Murph was aquired by the Tempe Police Department in February 1981 and in June 1982 he was assigned to his handler Officer Carlos Ariena (name unclear in photo). As a team, they received 8 departmental commendations. They participated in 336 building searches, 318 area searches, 24 narcotic arrests and 45 felony arrests. Murph lost his life on the night of November 21, 1986 while helping officers in an extremely hazardous situation. The citizens of Tempe and Murph's friends in the police profession will remember him with fondness and appreciation.