The DOJ role in US gambling
US gambling law is layered. Most direct regulation of casinos, sportsbooks, lotteries, and iGaming sits at state level, with each state issuing its own licences and supervising in-state operators. Federal law overlays this with statutes that apply across state lines, including the Wire Act of 1961, the Illegal Gambling Business Act, the Travel Act, and UIGEA, plus money-laundering statutes. The DOJ enforces these federal statutes, while state regulators enforce state law.
The DOJ does not license operators. It investigates and prosecutes federal violations: unlicensed cross-state gambling, money laundering through gambling channels, federal racketeering offences, and similar matters. State Attorneys General handle equivalent enforcement at state level under state statutes.
The Wire Act and UIGEA
The Wire Act prohibits using interstate wire communications for sports betting. The DOJ’s Office of Legal Counsel issued a 2011 opinion limiting the Wire Act’s scope to sports betting, which opened the door for individual states to authorise intrastate online casino and lottery activity. A 2018 opinion expanded the interpretation to cover other forms of gambling, generating significant uncertainty before later judicial rulings effectively returned the Wire Act’s scope to sports betting only.
UIGEA prohibits payment processors from processing transactions related to unlawful internet gambling. It does not itself criminalise gambling but restricts the financial rails that support cross-border or unlicensed activity. UIGEA enforcement falls partly to the DOJ and partly to financial regulators, with the practical effect that US-facing operators must hold state licences and integrate with payment processors that recognise that licensing.
DOJ impact on iGaming operators and B2B
For US-licensed operators, the DOJ matters chiefly as the enforcer of federal layers that sit above state licensing. Compliance teams monitor DOJ opinions, indictments, and policy statements closely because changes to federal interpretation can affect interstate liquidity pools (online poker shared liquidity, for example) and cross-state product offerings. For B2B vendors, DOJ enforcement against unlicensed operators that have taken US customers shapes vendor risk frameworks.
For offshore operators that take US customers without state licensing, the DOJ is the most material enforcement threat. Indictments of senior individuals and seizure of payment channels have followed in past enforcement waves. The Federal Bureau of Investigation, the Financial Crimes Enforcement Network (FinCEN), and the Internal Revenue Service collaborate with the DOJ on gambling-related cases that intersect with money laundering and tax offences.
Frequently asked questions about What Is the Justice Department’s Role in Gambling?
There is no federal prohibition on intrastate online casino, poker, or sports betting where authorised by state law. Federal statutes (Wire Act, UIGEA) restrict cross-state activity and certain payment flows. The combined effect is that US iGaming is legal in states that have authorised it and processed through state-licensed operators.
It clarified that the Wire Act applied only to sports betting, not to other forms of gambling. That clarification allowed states including New Jersey, Nevada, and Delaware to authorise online casino and poker without conflicting with federal law. The position has shifted and re-shifted since 2011 through subsequent opinions and court rulings.
No. Licensing is a state-level function. Sports-betting operators are licensed by state gaming commissions in each state where they operate. The DOJ enforces federal statutes that apply across the activity, particularly around interstate transmission and payment processing.
Past cases have involved indictments of senior individuals, seizure of payment infrastructure, asset freezes, and extradition requests. The financial-system reach of US enforcement creates significant pressure on offshore operators that accept US customers without state licensing.