Henri Désiré Landru (12 April 1869 – 25 February 1922) was a French serial killer and real-life "Bluebeard". Landru stood trial on 11 counts of murder in November 1921. He was convicted on all counts, sentenced to death, and guillotined three months later in Versailles.
Frank "The Enforcer" Nitti Organized Crime Figure. The number 2 man for famed gangster Al Capone, he was born about 1883 in Italy. He started as a barber, but became involved in the Chicago gang started by Capone when he was asked to fence some stolen jewelry.
Speakeasies were numerous and popular during the Prohibition years. Some of them were operated by people who were part of organized crime. Even though police and agents of the Bureau of Prohibition would often raid them and arrest their owners and patrons, they were so profitable that they continued to flourish.