. . "Mafia hitmen and Prohibition-era gangster" . "1893-05-29Z"^^ . "1940-07-10Z"^^ . . . "\"Fred-Killer\" Burke (May 29, 1893 \u2013 July 10, 1940) was a Midwestern armed robber and contract killer responsible for many crimes during the Prohibition era. He is considered a prime suspect in the infamous St. Valentine's Day Massacre of 1929."@en . "Burke, Fred \u201CKiller\u201D"@en . "1940Z"^^ . "1893Z"^^ . .