Ever since the ruthless Chicago mobster Al Capone bought a mansion on Miami's Palm Island in 1928, South Florida has been a destination for organized crime figures who want to relax and do a little business. The rackets have evolved over the years — loan-sharking, extortion and gambling have largely given way to stock scams, money laundering and white-collar fraud — and the Italians and Jews of yore have been joined by rival contingents from Russia, Israel and South America.
