According to this: http://www.cato.org/pubs/pas/pa-157.html http://www.cato.org/pubs/pas/pa-157.html, repealing alcohol prohibition "dramatically reduced crime,

According to this: http://www.cato.org/pubs/pas/pa-157.html http://www.cato.org/pubs/pas/pa-157.html, repealing alcohol prohibition "dramatically reduced crime, including organized crime, and corruption". While organized crime and "the mob" obviously still existed afterwards, they lost a lot.