Conspiracy to Defraud: Statutes, Penalties, and Defenses

Federal conspiracy to defraud is an agreement between two or more people to commit a fraud offense against the United States or through commercial channels, and a conviction can carry anywhere from five years to life in prison depending on which statute prosecutors use and what the scheme targeted. Two laws do most of the work: 18 U.S.C. § 371, the general conspiracy statute covering schemes against the federal government, and 18 U.S.C. § 1349, which punishes conspiracies to commit mail fraud, wire fraud, bank fraud, and healthcare fraud at the same level as the completed crime. The conspiracy is a separate offense from the fraud itself. You can be convicted and sentenced for both.

What Prosecutors Have to Prove

A federal conspiracy charge rests on three things: an agreement, an overt act in most cases, and criminal intent.

The agreement is the core element. Two or more people have to reach a mutual understanding to commit a federal offense or to defraud the United States. Nothing needs to be written down or spoken aloud. If the evidence shows that the participants were working toward the same fraudulent goal with a shared understanding, that satisfies the agreement element.¹

Under § 371, at least one conspirator also has to take an overt act in furtherance of the scheme. The act itself does not have to be illegal. Opening a bank account, making a phone call, or renting office space all qualify if done to advance the fraud. The requirement exists to distinguish active planning from idle talk.¹

Section 1349 works differently. It requires no overt act at all. The Supreme Court confirmed in Whitfield v. United States that when Congress omits overt act language from a conspiracy statute, courts will not read one in.² The bare agreement to commit commercial fraud is enough for a conviction, which lets prosecutors intervene earlier in a scheme.

Conspiracy is a specific-intent crime. Prosecutors have to show that each defendant deliberately chose to join the agreement and intended to advance the fraudulent objective. Being present when a crime is discussed, or even benefiting from it incidentally, is not enough. Each conspirator must also intend to deceive the victim and deprive them of money, property, or legal rights. A person who genuinely believed the scheme was legitimate, or who handled an isolated task without understanding the broader fraud, may lack the required intent.

Courts have narrowed that defense through the willful blindness doctrine. If a defendant was aware of a high probability that fraud was occurring and deliberately avoided confirming it, a jury can treat that avoidance as equivalent to actual knowledge. Willful blindness does not apply to someone who was merely careless. It targets people who suspected the truth and chose not to look.³

Section 371: Conspiracy Against the United States

Section 371 has two clauses. The offense clause covers conspiracies to commit any federal crime. The defraud clause protects the federal government from schemes to impair or obstruct its lawful functions through dishonest means.¹ You do not need to steal a dollar from the government to be convicted under the defraud clause. Interfering with a federal agency’s ability to do its job, through deception, is enough.

The best-known application is the Klein conspiracy, used against defendants who obstruct the IRS in assessing or collecting taxes through concealment, falsified books, false returns, or misleading statements to agents. The defraud clause also reaches conspiracies to manipulate regulatory processes at agencies overseeing environmental compliance, healthcare programs, or financial regulation.

A separate statute, 18 U.S.C. § 286, targets conspiracies aimed specifically at extracting payment from the government through false or fraudulent claims. A conviction under § 286 carries up to ten years in prison, double the five-year maximum under § 371.⁴

Section 1349: Commercial Fraud Conspiracies

Section 1349 applies to any conspiracy to violate an offense under Chapter 63 of Title 18, which sweeps in mail fraud, wire fraud, bank fraud, healthcare fraud, and honest services fraud. Its critical feature is the penalty structure. A conspirator faces the same punishment as someone who actually completed the fraud.²

Mail fraud under § 1341 and wire fraud under § 1343 each carry up to 20 years in prison.⁵⁶ These are the workhorses of federal fraud prosecution because they cover any scheme that uses the postal system, email, phone calls, or internet communications. When the fraud affects a financial institution or exploits a presidentially declared disaster, the maximum jumps to 30 years and a $1,000,000 fine. Bank fraud under § 1344 carries up to 30 years and a $1,000,000 fine on its own.⁷

Healthcare fraud conspiracies under § 1347 carry escalating penalties tied to the harm caused. The baseline maximum is ten years. If the fraud results in serious bodily injury, the maximum climbs to 20 years. If a patient dies as a result of the scheme, a conspirator faces up to life in prison.⁸

Honest services fraud is prosecutable through § 1349 as well, since federal law defines a “scheme to defraud” to include schemes that deprive another person of the intangible right of honest services.⁹ In practice, this targets public corruption and corporate bribery.

Prison Sentences at a Glance

General conspiracy under § 371: up to five years per count.
False claims conspiracy under § 286: up to ten years.
Mail or wire fraud conspiracy under § 1349: up to 20 years, or 30 years if the fraud affects a financial institution.
Bank fraud conspiracy under § 1349: up to 30 years.
Healthcare fraud conspiracy under § 1349: up to ten years, 20 years if serious bodily injury results, or life if death results.

After prison, most conspiracy defendants face supervised release. For the more serious felonies, including bank fraud and heavier wire fraud conspiracies, the maximum supervised release term is five years. For less serious felonies, the maximum is three years.¹⁰

Fines, Restitution, and Forfeiture

The default maximum fine for any federal felony is $250,000 per count, but that number is often just the floor. Under 18 U.S.C. § 3571(d), a court can instead impose a fine of up to twice the gross gain the defendant obtained or twice the gross loss the victims suffered, whichever is greater.¹¹ In large-scale fraud conspiracies, that alternative calculation can push fines into the millions. Bank fraud and wire fraud affecting a financial institution authorize fines up to $1,000,000 on their own.

Courts also routinely order restitution on top of fines. Restitution repays the losses the victims suffered and goes directly to those harmed, not to the government.

Forfeiture is often mandatory. Under 18 U.S.C. § 982, a conviction for conspiracy to commit mail fraud, wire fraud, or bank fraud affecting a financial institution triggers mandatory forfeiture of any proceeds the defendant obtained from the scheme.¹² That includes real estate, vehicles, bank accounts, and investments traceable to the fraud. If the original proceeds have been spent, transferred, hidden, or mixed with legitimate assets, the court can order forfeiture of substitute property up to the value of what should have been forfeitable. Moving money offshore does not defeat a forfeiture order.

You Can Be Convicted for Crimes You Never Committed

The most dangerous aspect of a conspiracy charge is Pinkerton liability, named after the Supreme Court’s 1946 decision in Pinkerton v. United States. Every member of a conspiracy can be convicted of substantive crimes committed by any other member, even crimes the defendant did not personally commit, plan, or know about in advance.¹³

Pinkerton liability applies when three conditions are met:

The defendant was a member of the conspiracy at the time the crime occurred.
The crime was committed in furtherance of the conspiracy’s objectives.
The crime was a reasonably foreseeable consequence of the conspiracy.

If you join a scheme to submit false insurance claims and a co-conspirator commits bank fraud to launder the proceeds, you could face bank fraud charges even though you never touched a bank account. The only way to limit this exposure is to withdraw from the conspiracy before the co-conspirator acts.

Conspiracy is also treated as a separate offense from the completed crime for double jeopardy purposes.¹⁴ A defendant convicted of both conspiracy to commit wire fraud and wire fraud itself faces separate sentences on each count.

How Long Prosecutors Have to Bring Charges

The general statute of limitations for federal conspiracy is five years.¹⁵ The clock does not start when the agreement is formed. Conspiracy is a continuing offense, so for statutes requiring an overt act, the limitations period begins on the date of the last overt act in furtherance of the scheme.¹⁶ A conspiracy that started a decade ago but whose members took a furthering step last year remains prosecutable.

For statutes with no overt act requirement, like § 1349, the conspiracy is considered ongoing until its purpose has been achieved or abandoned. Certain specific fraud statutes carry longer limitations periods that override the default five years.¹⁶

Defenses and Withdrawal

The most common conspiracy defense attacks the agreement itself. The argument is that the defendant never agreed to participate or lacked knowledge of the scheme’s fraudulent purpose. Someone who performed legitimate work and had no reason to suspect fraud has a real argument, though willful blindness limits how far ignorance can carry the point. Entrapment may apply in cases involving undercover agents, particularly if the government induced someone to join a conspiracy they were not predisposed to join.

Withdrawal is a distinct defense that can cut off liability. To withdraw, a conspirator must take affirmative steps inconsistent with the conspiracy’s purpose and make reasonable efforts to communicate that disassociation to co-conspirators.¹⁷ Simply drifting away is not enough. Courts look for concrete acts: confessing to law enforcement, notifying co-conspirators that you are out, or actively undoing prior contributions.

The burden of proving withdrawal falls on the defendant, who must show it is more likely than not that the withdrawal occurred. If withdrawal is proven, it starts the statute of limitations running for that individual. A defendant who withdrew outside the limitations period has a complete defense to prosecution. Withdrawal does not erase liability for crimes already committed before the withdrawal date, including the conspiracy itself up to that point.¹⁷

Consequences Beyond the Sentence

A federal fraud conspiracy conviction is a felony, which permanently strips the right to possess firearms under federal law and typically results in the loss of voting rights, though restoration varies by state. Licensed professionals face disciplinary proceedings that commonly lead to suspension or revocation.

For non-citizens, the consequences can be severe. Federal courts generally treat fraud offenses as crimes involving moral turpitude, and a conspiracy to commit such a crime carries the same classification. A conviction can trigger deportation, render someone permanently inadmissible to the United States, and disqualify them from most forms of relief from removal. When the offense qualifies as an aggravated felony under immigration law, the consequences become more severe still, including indefinite inadmissibility after removal.¹⁸

1
Office of the Law Revision Counsel. 18 USC 371 – Conspiracy to Commit Offense or to Defraud United States
2
Office of the Law Revision Counsel. 18 USC 1349 – Attempt and Conspiracy
3
Ninth Circuit Jury Instructions. 5.8 Deliberate Ignorance
4
Office of the Law Revision Counsel. 18 US Code 286 – Conspiracy to Defraud the Government With Respect to Claims
5
Office of the Law Revision Counsel. 18 USC 1341 – Frauds and Swindles
6
Office of the Law Revision Counsel. 18 US Code 1343 – Fraud by Wire, Radio, or Television
7
Office of the Law Revision Counsel. 18 US Code 1344 – Bank Fraud
8
Office of the Law Revision Counsel. 18 USC 1347 – Health Care Fraud
9
Office of the Law Revision Counsel. 18 US Code 1346 – Definition of Scheme or Artifice to Defraud
10
Office of the Law Revision Counsel. 18 USC 3583 – Inclusion of a Term of Supervised Release After Imprisonment
11
Office of the Law Revision Counsel. 18 USC 3571 – Sentence of Fine
12
Office of the Law Revision Counsel. 18 USC 982 – Criminal Forfeiture
13
Legal Information Institute. Pinkerton v. United States, 328 US 640
14
Legal Information Institute. Imposition of Multiple Punishments for the Same Offense
15
Office of the Law Revision Counsel. 18 USC 3282 – Offenses Not Capital
16
United States Department of Justice. Statute of Limitations for Conspiracy
17
Ninth Circuit Jury Instructions. Conspiracy – Withdrawal
18
Congress.gov. Immigration Consequences of Criminal Activity