John Herbert Dillinger was shot and killed by federal agents outside Chicago's Biograph Theatre on July 22, 1934.
The Hole in the Wall Gang is one of the most infamous burglary crews in mob history, that involved Chicago Outfit-connected hoodlums hitting up numerous Las Vegas jewelry store from 1979 to 1981.
It was 49 years ago this week that the former Teamsters union leader, Jimmy Hoffa, vanished without a trace, and the Hoffa riddle is a befitting title for the anniversary week of his disappearance.
Bulger was the much-feared leader of Boston's Irish mob who evaded capture for more than 16 years before his June 2011 arrest.
Fotios Geas and Paul J. DeCologero are accused of bludgeoning Bulger to death just hours after the gangster was transferred to the US Penitentiary Hazelton.
The sophisticated operation involved Mexican cartels, an Italian mafia figure based in Montreal and a network of drivers employed by dozens of trucking companies, authorities say.