Premise: Luciano Leggio (] ; 6 January 1925 – 15 November 1993) was an Italian criminal and leading figure of the Sicilian Mafia. He was the head of the Corleonesi, the Mafia faction that originated in the town of Corleone. He's universally known with the surname Liggio, a result of a misspelling in court documents in the 1960s.
Hypothesis: Luciano Leggio's date of birth is an even numbered date.