Magnus Olson
Magnus Olson, best known by the pseudonym Frank Z. Wilson, was a career criminal who was born in Tromsø, Norway, the youngest of five children. He is mainly notable for having been a suspect in the murder of John G. Morrison before investigators turned their focus to Joe Hill.
Morrison murder
Olson was arrested for the murder of John G. Morrison, a Salt Lake City area grocer and former policeman, and his son in 1914. This murder is most notable as the crime for which songwriter Joe Hill, a member of the Industrial Workers of the World, was later executed. Olson was released by the Salt Lake City police, and turned over to the Sheriff of Elko County, Nevada, for a lesser crime to which he confessed while in Salt Lake City custody.Other criminal activities
Magnus Olson used many aliases during his life of crime, including Frank Z. Wilson, James Farmer, James Morton, and F.Z. Wheeler.In the 1920s Olson worked for Al Capone as a bodyguard and bill collector. When the Saint [Valentine's Day massacre] occurred in Chicago in 1929, seven men were killed. The killers left the scene in an automobile registered to Magnus Olson.
Olson was incarcerated in the Nevada State Penitentiary, and in Folsom State Prison in California, and served time in at least seven other states.