They founded the gang called Bugs and Meyer Mob, which operated in New York and New Jersey. He stole cars, terrorized entrepreneurs, and organized illegal gambling. Having grown up, Sigel initiated more profitable crimes. Stubborn salespeople who did not want to pay were punished. The friends were engaged in racketeering and extorting money from local street vendors.
At an early age, he became a member of one of the numerous Manhattan gangs engaged in a burglary. While father and mother struggled to make ends meet, trying to feed five children, Bugsy studied the wisdom of criminal life. His parents moved to America from the Ukrainian Letychiv, a Russian Empire town in the eastern part of Khmelnytskyi Oblast. They lived in a poor Brooklyn neighborhood, where immigrants mainly settled. Benjamin was born in a poor Jewish family on February 28, 1906.