Carlos Joseph Marcello born Calogero Minacore February 6, 1910 – March 2, 1993) was an Italian-American crime boss of the New Orleans crime family from 1947 until the late 1980s. G. Robert Blakey and other investigators have asserted that Marcello along with Santo Trafficante Jr. and Sam Giancana masterminded the 1963 assassination of United States President John F. Kennedy in retaliation for federal prosecution that threatened their secret criminal organization's multibillion-dollar international organized crime empires
