sentences:  Throughout his life, Dunn was closely associated with the police force, both in and out of the courtroom.He lectured on prosecution and criminal law in courses at the Detective Training School and the Victoria Police College, and acted as legal counsel for the police many times.Engaged by the Victoria Police Association to defend members who had been counter-summonsed by people that they had arrested, Dunn only lost twice in more than eighty such cases during the mid-1960s.