Federal financial crime investigations trace money from a suspected illegal source to its final destination using bank records, mandatory reports filed by financial institutions, forensic accounting, interviews, and cross-agency coordination. The typical case runs for years before charges appear, because investigators would rather build an airtight file than move quickly. When the work is done, the agency refers a case file to the Department of Justice, and prosecutors decide whether to pursue criminal charges, civil penalties, asset forfeiture, or some combination. Penalties on the criminal side can reach 20 years in federal prison and millions of dollars in fines.
What Kinds of Conduct Get Investigated
The offenses that draw federal attention share a pattern: money moves in a way that hides its source, avoids a legal obligation, or deceives someone relying on accurate information.
Money laundering sits at the center of most large investigations because it links other crimes to the banking system. Knowingly moving criminal proceeds through a financial transaction to conceal their source, ownership, or control carries up to 20 years in prison and a fine of $500,000 or twice the value of the property involved, whichever is greater.1Office of the Law Revision Counsel. 18 USC 1956 – Laundering of Monetary Instruments A related statute makes it a crime to engage in any transaction over $10,000 using criminally derived property, even without an intent to conceal, and carries up to 10 years.2Office of the Law Revision Counsel. 18 USC 1957 – Engaging in Monetary Transactions in Property Derived From Specified Unlawful Activity
Embezzlement involves diverting money or property that someone entrusted to you. Stealing government property worth more than $1,000 carries up to 10 years; $1,000 or less caps at one year.3Office of the Law Revision Counsel. 18 USC 641 – Public Money, Property or Records Embezzling $5,000 or more from an organization that receives federal funds also carries up to 10 years.4Office of the Law Revision Counsel. 18 USC 666 – Theft or Bribery Concerning Programs Receiving Federal Funds
Securities fraud covers insider trading, misrepresenting company financials, and market manipulation. Criminal violations of the Securities Exchange Act carry up to 20 years, fines up to $5 million for individuals, and up to $25 million for corporations.5Office of the Law Revision Counsel. 15 USC 78ff – Penalties The SEC can also pursue civil penalties ranging from roughly $12,000 per non-fraud violation to about $1.18 million per violation for fraud causing substantial losses.6U.S. Securities and Exchange Commission. Inflation Adjustments to the Civil Monetary Penalties
Tax evasion means deliberately avoiding tax you legally owe, whether through underreported income, offshore accounts, or inflated deductions. Penalties reach $100,000 for individuals or $500,000 for corporations, plus up to five years in prison per count.7Office of the Law Revision Counsel. 26 USC 7201 – Attempt to Evade or Defeat Tax Investigators look for patterns, not isolated errors. A single mistake on a return rarely triggers a criminal case; systematically hiding business income across several years does.
How Long Investigators Have To Bring Charges
The government doesn’t have unlimited time. The default federal statute of limitations is five years from the date of the offense. Fraud schemes that affect a financial institution, including bank fraud and wire or mail fraud targeting banks, get 10 years.8Office of the Law Revision Counsel. 18 USC 3293 – Financial Institution Offenses
This distinction shapes how prosecutors frame charges. A wire fraud scheme targeting individual investors has a five-year window; the same scheme routed through a bank to harm the bank’s interests gets 10. When the facts allow it, prosecutors will pursue the theory that captures the longer window. The limitations period also explains why financial cases run so long. Agencies would rather spend three years on evidence than rush to beat a deadline.
Which Agencies Run the Investigation
The agency in charge depends on the offense. Several often work the same case together.
The FBI has the broadest jurisdiction over white-collar crime. Its caseload includes large-scale corporate fraud, public corruption, and money laundering that crosses state lines or borders. FBI agents frequently sit on joint task forces when organized criminal groups use financial systems to fund operations.
IRS Criminal Investigation is the only federal law enforcement agency authorized to investigate violations of the Internal Revenue Code. Its agents are trained forensic accountants who work hidden income, employment tax fraud, and refund schemes. The division reports a conviction rate above 90 percent, which reflects how thoroughly cases are developed before referral.9Internal Revenue Service. About Criminal Investigation
The SEC polices the securities markets, investigating disclosure failures, insider trading, and market abuse under the Securities Act and Securities Exchange Act.10U.S. Securities and Exchange Commission. Statutes and Regulations The commission cannot file criminal charges. It pursues civil penalties, disgorgement, and industry bars, and refers conduct serious enough for prosecution to the Department of Justice. Parallel SEC civil and DOJ criminal proceedings are common.
The CFTC investigates fraud and manipulation in commodity futures, options, and derivatives markets under the Commodity Exchange Act.11Commodity Futures Trading Commission. Enforcement Actions Like the SEC, it brings civil actions and coordinates with criminal authorities when needed.
FinCEN works differently. Rather than investigate individual crimes, it collects and analyzes the financial intelligence other agencies rely on. It receives Currency Transaction Reports and Suspicious Activity Reports filed by banks, makes that data available to law enforcement, and serves as the U.S. Financial Intelligence Unit within the Egmont Group of counterpart agencies worldwide.12Financial Crimes Enforcement Network. What We Do
The Records Investigators Pull
Bank Statements, Wires, Tax Returns, and Ledgers
Bank records are the foundation of nearly every case. They show inflows, outflows, balances, and transaction frequency. Wire transfer records add the parties on each end and the intermediary banks that processed the movement. Investigators cross-reference the two to reconstruct who paid whom.
Tax returns and business ledgers serve as the comparison point. When someone reports $80,000 in income but their account shows $300,000 in deposits, the gap becomes the case. General ledgers surface discrepancies between claimed expenses and actual cash flow. Records from digital payment platforms and clearinghouses matter more each year as money moves outside traditional banking rails.
Currency Transaction Reports
Federal law requires banks to file a Currency Transaction Report for any cash transaction, or set of related cash transactions in one day, that exceeds $10,000. The report captures the identity of the person conducting the transaction, including government-issued identification, whether or not that person has an account at the bank.13Financial Crimes Enforcement Network. Notice to Customers – A CTR Reference Guide CTRs are routine and don’t imply anything is wrong. They create a trail investigators can follow later. Deliberately breaking transactions into smaller amounts to stay under the threshold is a separate federal crime called structuring.
Suspicious Activity Reports
Banks must also file a Suspicious Activity Report when transactions lack an apparent lawful purpose, appear designed to avoid reporting requirements, or otherwise look unusual for the customer.14FFIEC BSA/AML InfoBase. Assessing Compliance With BSA Regulatory Requirements – Suspicious Activity Reporting The underlying statute lets the Treasury Secretary require any financial institution to report transactions relevant to a possible violation of law.15Office of the Law Revision Counsel. 31 USC 5318 – Compliance, Exemptions, and Summons Authority Banks file within 30 calendar days of detecting suspicious activity, or up to 60 days if no suspect has been identified. Each report includes timestamps, account numbers, and a narrative describing what triggered it. Banks are prohibited from telling the customer that a SAR was filed.
Beneficial Ownership Information
Figuring out who actually controls an entity is often the hardest part of a case. Shell companies and layered structures hide the real person behind a transaction. The Corporate Transparency Act originally required most U.S. companies to file beneficial ownership reports with FinCEN. Under an interim final rule effective March 2025, all entities created in the United States are now exempt. The filing obligation applies only to foreign entities registered to do business in a U.S. state or tribal jurisdiction.16Financial Crimes Enforcement Network. FinCEN Removes Beneficial Ownership Reporting Requirements for US Companies and US Persons Foreign reporting companies must file within 30 calendar days of registering.17Financial Crimes Enforcement Network. Beneficial Ownership Information Reporting
For domestic companies, investigators go back to subpoenas of bank records, state corporate filings, and traditional forensic methods to identify who controls an entity.
How the Investigation Moves From Records to Charges
Tracing the Money
Once records are in hand, forensic accountants reconstruct where money came from, where it went, and whether the transactions along the way were legitimate. They look for circular transfers between related accounts, deposits that match no known income source, rapid movement through multiple entities, and cash flows that spike during periods of suspected criminal activity. The goal is to connect the original source to the final destination across what can be dozens of institutions and corporate layers.
Interviews and Testimony
Documents show what happened. Interviews explain why. Conversations with witnesses, employees, and sometimes the targets themselves supply context for transactions that look strange on paper. An unusual wire may have a straightforward business explanation, or an interview may reveal accounts that never surfaced in the initial records. Investigators check interview statements against the documentary record for inconsistencies, coordinating with prosecutors so the testimony holds up in court.
Referral to Prosecutors
The case ends in a written report laying out the timeline, the statutes violated, and the total financial impact. That file goes to the Department of Justice or a U.S. Attorney’s office. Prosecutors decide whether to seek an indictment, pursue civil litigation, or both. Many cases stall or get declined at this stage. Prosecutors generally won’t take a case unless the evidence is strong enough to sustain a conviction at trial, which is one reason financial investigations produce visible results so slowly.
What Happens to the Money
Asset Forfeiture
The government can seize property connected to criminal activity, including real estate, vehicles, bank accounts, and cash. Civil forfeiture is brought against the property itself rather than the person, so assets can be seized without a criminal conviction. Property involved in money laundering, traceable to bank fraud, or derived from wire and mail fraud schemes is all subject to forfeiture.18Office of the Law Revision Counsel. 18 USC 981 – Civil Forfeiture The purpose is to strip criminals of profits and create a pool of assets that can compensate victims.
Restitution to Victims
Federal courts must order restitution when sentencing defendants convicted of offenses that involve property loss through fraud or deceit. The defendant pays back the greater of the property’s value at the time of loss or at sentencing, minus anything already returned. A victim includes anyone directly harmed by the criminal conduct. Courts can also order reimbursement for expenses victims incurred during the investigation and prosecution, including lost income from attending proceedings and travel costs.19Office of the Law Revision Counsel. 18 USC 3663A – Mandatory Restitution to Victims of Certain Crimes
One practical exception: when the number of victims is so large that calculating individual losses would unreasonably delay sentencing, the court may decline to order restitution. This tends to come up in massive fraud schemes affecting thousands of investors.
Reporting Misconduct for a Reward
Two federal programs pay people who report information that leads to a successful enforcement action. Both exist because insiders often know about misconduct long before regulators do.
The SEC Whistleblower Program pays between 10 and 30 percent of the money collected in any enforcement action where sanctions exceed $1 million, provided the whistleblower’s original information substantially contributed to the case.20U.S. Securities and Exchange Commission. Whistleblower Program The program has paid out billions of dollars since its creation, with individual awards regularly exceeding $10 million.
The IRS Whistleblower Program pays 15 to 30 percent of collected proceeds in cases where the tax amount in dispute exceeds $2 million. For individual taxpayers, gross income must also exceed $200,000 in at least one relevant tax year to qualify for the mandatory award track.21Internal Revenue Service. 25.2.2 Whistleblower Awards If an action is based largely on information already available through public sources such as news reports or government audits, the award drops to a maximum of 10 percent.