When Does Blackmail Become a Federal Crime?

Blackmail becomes a federal crime when the conduct reaches across state lines, touches interstate commerce, or involves the federal government itself. In practice, that usually means the threat was sent through the U.S. mail, email, text, phone, or social media, or that the scheme interfered with business activity crossing state borders, or that a federal employee or federal property was involved. Once any of those triggers is present, federal prosecutors can charge the case, and the specific statute and sentence depend on how the threat was delivered and what the blackmailer threatened to do.

The Three Triggers That Pull Blackmail Into Federal Court

Most blackmail and extortion cases are prosecuted by states. A case becomes federal when it touches something the federal government has authority over. Three triggers do most of the work:

Interstate communication. The threat was sent by U.S. mail, email, text, a phone call across state lines, social media, or any other method that crosses state borders or uses internet infrastructure.
Effect on interstate commerce. The scheme disrupted, or could have disrupted, business activity that crosses state lines, even indirectly.
Federal connection. The offense involved a federal employee acting under their official authority, happened on federal property, or targeted federal operations.

The interstate communication trigger pulls in the largest share of cases. Because almost all electronic messaging travels across state lines, a threatening email or Instagram message sent from your couch is enough. You don’t need to physically cross a border for the federal government to have jurisdiction.

The Narrow Statute Actually Called “Blackmail”

The only federal statute literally titled “Blackmail” sits at 18 U.S.C. § 873, and it is narrower than people expect. It covers one scenario: threatening to report someone for violating a federal law and then demanding money or something valuable to stay quiet.¹ A government contractor who learns a colleague committed tax fraud and demands payment for silence is the classic § 873 case.

The maximum sentence is a fine, up to one year in prison, or both, which makes § 873 a misdemeanor.¹ That light ceiling is misleading. When the facts fit, prosecutors reach for the heavier statutes described below and keep § 873 as a backup count.

The Statutes Prosecutors Actually Use

Most federal blackmail cases are charged under threat and extortion statutes with much steeper penalties. Which one applies depends on how the message was sent and what was threatened.

Threats Sent Electronically: 18 U.S.C. § 875

Section 875 covers threats transmitted in interstate or foreign commerce, which includes phone calls, email, text messages, and social media. The penalty tracks the nature of the threat:

Threats to kidnap or injure with intent to extort: up to 20 years.²
Threats to kidnap or injure without extortion intent: up to 5 years.²
Threats to property or reputation, or threats to accuse someone of a crime, with intent to extort: up to 2 years.²

That third category is what most people picture when they hear “blackmail”: pay me or I’ll expose your secret. The ceiling is 2 years, not 20, because federal law treats reputational threats as serious but distinct from threats to physical safety.

Threats Sent by Mail: 18 U.S.C. § 876

Section 876 mirrors § 875 but applies when the threatening communication travels through the U.S. Postal Service. The penalty structure runs the same way: up to 20 years for threats to kidnap or injure made with intent to extort, up to 5 years without extortion intent, and up to 2 years for reputational threats paired with a payment demand. Those middle and bottom tiers rise to 10 years when the letter is addressed to a federal judge, a federal law enforcement officer, or certain other federal officials.³

Extortion Affecting Commerce: The Hobbs Act

The Hobbs Act, 18 U.S.C. § 1951, is the broadest tool federal prosecutors have. It criminalizes interference with interstate or foreign commerce through extortion, attempted extortion, or conspiracy, and defines extortion as obtaining property with consent that was coerced through threats, fear, or misuse of official authority.⁴

Federal courts read the commerce requirement broadly. A threat against a single small business can qualify when the business buys supplies from out of state or serves customers who travel across state lines. A Hobbs Act conviction carries up to 20 years in prison and a fine.⁴ This is often how prosecutors reach beyond the 2-year ceiling on reputational-threat charges when a scheme touched business activity.

Computer-Based Extortion: 18 U.S.C. § 1030

The Computer Fraud and Abuse Act carries its own extortion provision for threats to damage a computer system, steal data, or release information obtained through unauthorized access, when paired with a payment demand. A first offense carries up to 5 years, a repeat offense up to 10.⁵ This is the usual charge in ransomware cases and data-breach extortion. A “protected computer” under the statute includes effectively any computer connected to the internet, so the statute reaches most modern digital extortion scenarios.

Sextortion and Cases Involving Minors

Sextortion, where someone threatens to distribute intimate images unless the victim pays or sends more material, has become a federal priority. The FBI reports significant growth in these cases, especially those targeting children and teenagers.⁶ When a minor is involved, federal prosecutors charge under child exploitation statutes such as 18 U.S.C. § 2252A, which carry substantially longer sentences than the standard threat statutes.⁷

Financial sextortion, where the offender demands money or gift cards rather than more images, is a growing variant the FBI has flagged. Offenders often release the material whether or not the victim pays.⁶ Because the images move through interstate electronic networks, and frequently across international borders, federal jurisdiction is almost always available.

Where Hard Bargaining Ends and Extortion Begins

Not every aggressive demand for money is blackmail. People send demand letters before suing, negotiate hard in business disputes, and threaten to go public with complaints. The line between tough negotiation and federal extortion is narrower than most people think, and it turns on one factor: coupling a threat with a demand for payment.

Threatening to report someone to the police is generally legal by itself. Asking someone for money is legal by itself. Combining the two is where extortion begins. Telling someone “pay me $50,000 or I’ll tell the FBI you committed fraud” converts an otherwise lawful threat into a crime, because the payment demand changes the purpose of the threat from law enforcement to personal gain. The threat on its own may be perfectly lawful; pairing it with the demand is what makes the package illegal.

Penalties Beyond Prison Time

A federal blackmail or extortion conviction brings more than imprisonment. Courts can impose fines up to $250,000 for an individual felony conviction and up to $100,000 for a Class A misdemeanor. When the scheme produced profit or caused loss, the court can instead impose a fine of up to twice the gross gain or twice the victim’s loss, whichever is greater.⁸

Restitution is also on the table. Mandatory restitution applies when the offense qualifies as a crime of violence or an offense against property with an identifiable victim who suffered financial loss.⁹

After release, most defendants serve a term of supervised release: up to 5 years for Class A or B felonies, up to 3 years for less serious felonies, and up to 1 year for misdemeanors.¹⁰ Standard conditions include committing no new crimes, making restitution payments, and reporting to a probation officer.¹¹

How to Report It and Preserve Evidence

If you are being blackmailed through electronic messages or the mail, two federal channels handle these cases:

FBI. Contact your local FBI field office, call 1-800-CALL-FBI, or submit a tip at tips.fbi.gov. The FBI investigates extortion, sextortion, and threat cases and has a Victim Services Division that connects victims with support.⁶
Internet Crime Complaint Center (IC3). For cyber-related extortion, file at ic3.gov. The form asks for details about the incident, any financial losses, and identifying information about the person making the threats.¹²

Preserve everything before you report. Screenshot threatening messages, save emails, keep payment receipts, and record any identifying information about the person contacting you. Do not delete the conversation or block the sender until you have captured the evidence. Federal agents say victims who arrive with organized digital records give investigators the strongest foundation to build a case.

Timing matters too. The general federal statute of limitations for non-capital crimes is five years from the date of the offense, which covers § 873 blackmail, Hobbs Act extortion, and most charges under §§ 875 and 876.¹³ For ongoing schemes, the clock typically starts with the last threatening communication or last payment, not when the scheme began. Child exploitation charges tied to sextortion can carry longer limitation periods under specific statutory exceptions. Reporting early gives investigators the best chance of preserving digital evidence before it disappears.

1
Office of the Law Revision Counsel. 18 USC 873 – Blackmail
2
Office of the Law Revision Counsel. 18 USC 875 – Interstate Communications
3
Office of the Law Revision Counsel. 18 USC 876 – Mailing Threatening Communications
4
Office of the Law Revision Counsel. 18 USC 1951 – Interference With Commerce by Threats or Violence
5
Office of the Law Revision Counsel. 18 USC 1030 – Fraud and Related Activity in Connection With Computers
6
Federal Bureau of Investigation. Sextortion
7
Office of the Law Revision Counsel. 18 USC 2252A – Certain Activities Relating to Material Constituting or Containing Child Pornography
8
Office of the Law Revision Counsel. 18 USC 3571 – Sentence of Fine
9
U.S. Government Publishing Office. 18 USC 3663A – Mandatory Restitution to Victims of Certain Crimes
10
Office of the Law Revision Counsel. 18 USC 3583 – Inclusion of a Term of Supervised Release After Imprisonment
11
eCFR. 28 CFR 2.204 – Conditions of Supervised Release
12
Internet Crime Complaint Center. Complaint Form
13
Office of the Law Revision Counsel. 18 USC 3282 – Offenses Not Capital