As Fraser often explains, "I first came to Chicago on the trail of the killers of my father, and for reasons that don't need exploring at this juncture, I have remained attached as liaison with the Canadian Consulate." Fraser is a strait-laced Northerner, and his faith in the honour and goodness of others tends to lead to interesting and humorous moments. Described as an "outdoors Sherlock Holmes," his behaviour often leads to the frustration of his de-facto partner, Chicago detective Raymond Vecchio. His other companion, a deaf half-wolf named Diefenbaker after Canadian Prime Minister John Diefenbaker, reads lips in both English and Inuktitut, and often assists in the capture of criminals. In the third and fourth seasons of the show, Fraser teams up with Detective Stanley Raymond Kowalski