For roughly half a century, lending money at illegal interest was one of organized crime’s most dependable businesses, reliable enough that investigators of the 1960s ranked it just behind gambling as a mob earner. This page explains how the racket worked, why it fit organized crime so well, and how federal law finally caught up with it.
Why the mob got into lending
Prohibition’s end in 1933 left criminal organizations with enormous cash and a distribution network with nothing to distribute. Lending solved both problems. Cash went out on the street earning weekly interest, and the organization’s existing reputation for violence did the work that courts and collateral do for legal lenders. Gambling operations fed the racket a steady stream of customers: a bettor who could not cover a loss on Sunday met a lender on Monday, often in the same room.
How the racket worked
The classic street terms were six for five: borrow five dollars Monday, repay six the following Monday, 20 percent a week. The weekly interest was the vig in New York and the juice in Chicago, and paying it kept the loan alive without touching the principal. Money flowed in tiers, from bosses who supplied capital, through shylock bankers like Ruby Stein and Jiggs Forlano who wholesaled it, down to street lenders who knew the borrowers. Nothing was written down that mattered, and everyone understood the debt could not be discharged, argued, or outrun. The mechanics have not changed since, as how loan sharks work shows.
The myth and reality of enforcement
The movies remember broken legs. Investigators of the era consistently reported something colder: actual violence was bad for business, because an injured borrower stops earning and attracts police. The real instrument was fear, cultivated through reputation and the occasional made example. Most enforcement was relentless presence, at the borrower’s job, outside the borrower’s home, in front of the borrower’s family, until paying the vig felt easier than resisting. The modern advice in what to do if a loan shark threatens you exists because that playbook is still in use.
From lending to taking over businesses
Loan sharking was also organized crime’s door into the legitimate economy. A restaurant or trucking company owner who fell behind on juice payments could be offered a partner instead of a beating, and the partnership only deepened. The bust out followed: the business’s credit was drained, its inventory sold, and its shell left to collapse. Congressional hearings through the 1950s and 1960s, from Kefauver to McClellan, documented case after case, which is how street lending became a national political issue.
The federal response
In 1968 Congress made extortionate credit transactions a federal felony, 18 U.S.C. sections 891 through 894, aimed squarely at the mob’s lending racket, and RICO followed in 1970, letting prosecutors attack the enterprise rather than one collector at a time. Those tools, used through the great mob prosecutions of the 1980s including the Commission trial that convicted Anthony Salerno, broke the racket’s industrial scale. The legal framework is explained in are loan sharks illegal?
Where the racket went
Organized crime lending never fully disappeared, but its market shrank as legal small credit expanded and prosecutions raised the price of the business. The volume moved elsewhere: to unlicensed online lenders and loan apps that replicate six for five economics at global scale, with harvested contacts standing in for the collector at the door. The whole arc, from salary lenders to apps, is in the history of loan sharks.
Historical events and individuals are described from government investigations, court records, and established journalism. This page is general information, not legal advice. Last reviewed August 2026.