https://www.biography.com/news/famous-mob-mafia-bosses

https://www.britannica.com/biography/Al-Capone

https://www.forbes.com/pictures/mjd45ehjhh/al-capone-gangster/#39322853626f

https://www.biography.com/crime-figure/al-capone

https://www.history.com/topics/crime/saint-valentines-day-massacre

https://www.biography.com/crime-figure/bugsy-siegel

Benjamin “Bugsy” Siegel

https://www.history.com/this-day-in-history/bugsy-siegel-opens-flamingo-hotel

https://www.britannica.com/biography/Lucky-Luciano

https://en.wikipedia.org/wiki/Five_Families

https://www.history.com/this-day-in-history/mafia-boss-john-gotti-is-born

Vito Genovese