Malachi Harney
Malachi Lawrence Harney (11 June 1895 – 24 February 1984) was an American federal law enforcement investigator for the United States Department of the Treasury and the Federal Bureau of Narcotics and the coauthor of several nonfiction books related to law enforcement with John C. Cross. During the Prohibition era, Harney was Eliot Ness's boss at Treasury, responsible for the arrest and capture of Al Capone.