Crime Solvers Central
Crime Solvers Central
298 Cases Solved. Advancing justice for missing persons, unsolved homicides, unidentified and unclaimed remains.

Case Description

Any updates on this case? Let us know!
Summary based on 4 sources
Vincenzo 'Big Jim' Colosimo, an Italian-American crime boss, was assassinated on May 11, 1920, at the age of 42 in Chicago, Illinois. Colosimo, also known as 'Diamond Jim' for his penchant for wearing diamond-studded jewelry, was a prominent figure in the Chicago underworld. He built a criminal empire based on prostitution, gambling, and racketeering, becoming a significant player in the city's vice district. His rise to power was facilitated by his connections with influential political figures and his ability to manage a vast network of brothels and illegal operations.

On the day of his death, Colosimo was at his restaurant, Colosimo's Cafe, located at 2126-2128 South Wabash Avenue. He had recently married Dale Winter, a singer, just three weeks prior. Colosimo had gone to the restaurant to meet someone for an important appointment. As he entered his office, a gunman approached him from behind and shot him in the head with a .38-caliber revolver, killing him instantly. The murder was a shock to the Chicago underworld and marked a significant turning point in the city's criminal history.

The primary suspect in Colosimo's murder was Frankie Yale, a notorious hitman from New York. It was widely believed that Johnny Torrio, Colosimo's right-hand man, had orchestrated the hit to take over Colosimo's empire. Torrio had brought Yale to Chicago specifically for this purpose. Despite strong suspicions and eyewitness accounts, no one was ever charged with Colosimo's murder. The lack of concrete evidence and the fear of retribution among witnesses contributed to the case remaining unsolved.

Following Colosimo's death, Johnny Torrio took control of his operations, paving the way for the rise of Al Capone, who would later become one of the most infamous gangsters in American history. Colosimo's assassination not only marked the end of his reign but also signaled the beginning of a new era of organized crime in Chicago, characterized by increased violence and the consolidation of power under Torrio and Capone. The murder of Vincenzo 'Big Jim' Colosimo remains a significant event in the history of the American Mafia, illustrating the ruthless nature of the criminal underworld and the constant struggle for power within it.