What do you mean? In that book it is talking about the same american gangster Al Capone.
yes
a gangster orginaly from naples but his parents moved to Brooklyn and later to Chicago, where he became notorios
He was a mobster that profited from prohibition in the 1920s.
Al Capone was born in New York, but did all of is crimes in Chicago. He was then sentenced to 10 years of imprisonement in Alcatraz.