This city was then known as the Corrupt city. During the 1920s - 1930s, Chicago experienced a big change in its organized crime in which it heavily supported. The fluctuation in the population that took place actually helped the crime because it affected the ability of Chicago’s governmental system to operate effectively. Immigrants were also so attracted to this area because of the job opportunities. Each gang wanted to secure and grow in territories so they started working with other gangs in different cities. They then expanded their interest in the narcotics traffic, gambling rackets, prostitution, labour racketeering, loan-sharking, and extortion (“Bugsy”). The American Mafia then grew out of these coordinated activities. In 1925 when Torrio had given all his power to Al Capone, who later became the most famous gangster of the prohibition era. Even though there were other crime czars like O'Bannion, Masseria, Lansky, Luciano, and Siegal were also legendary. Capone still had the most wealth out of all of them with 100 million dollars, which is equivalent to 1.4 billion today (“Prohibition”). Gangsters such as Capone did all types of illegal things because it was against the law and they strived to defeat the government. He ran gambling events, horse races, whorehouses, and anything they could make profit off of