§1519 Venue Is Limited to the District of Falsification (Mens Rea and “Contemplated Effects” Do Not Expand Venue)

1. Introduction

Abouammo v. United States (608 U. S. ___ (2026)) addresses where a defendant may be tried for violating 18 U. S. C. §1519, the federal “anti-shredding/anti-tampering” statute that criminalizes knowingly falsifying (or otherwise tampering with) a document with the intent to impede or obstruct a federal investigation.

The petitioner, Ahmad Abouammo, was interviewed in Seattle by FBI agents based in San Francisco. During that interview, he allegedly created a fake invoice in Seattle and emailed it to an agent. He was indicted and tried in the Northern District of California (where the investigation and agents were based), convicted, and the Ninth Circuit affirmed on the theory that §1519’s intent-to-obstruct element makes the “contemplated effects” of falsification part of the offense’s “essential conduct,” permitting venue where the investigation was located.

The Supreme Court unanimously reversed, holding that §1519 venue lies only where the falsification occurred, because no “conduct constituting the offense” happened in the investigation’s district.

2. Summary of the Opinion

Justice Kagan, writing for a unanimous Court, held that a defendant charged under §1519 must be tried in the district where the defendant falsified the document. The Court rejected two alternative venue theories:

  • The Ninth Circuit’s view that §1519’s intent requirement converts “contemplated effects” (where the investigation is) into “essential conduct” for venue purposes.
  • The Government’s claim that §1519 is an “inchoate offense” whose venue may be anchored to conduct relevant to some other obstruction crime (e.g., transmitting the document into the investigation district).

Because the only act §1519 proscribes is the falsification itself, and Abouammo allegedly falsified the invoice in Seattle, venue was proper only in the Western District of Washington, not the Northern District of California.

3. Analysis

3.1. Precedents Cited

The Court’s reasoning is built on a line of venue cases that treat venue as a constitutionally grounded, conduct-focused inquiry.

United States v. Rodriguez-Moreno

The Court relied on United States v. Rodriguez-Moreno, 526 U. S. 275, for the modern framework: identify the statute’s “essential conduct elements” by first identifying the “conduct constituting the offense,” then locate where those criminal acts occurred. The Ninth Circuit purported to apply Rodriguez-Moreno, but the Supreme Court held it mistakenly treated mens rea-related “effects” as conduct.

United States v. Cabrales

United States v. Cabrales, 524 U. S. 1, is cited for the constitutional status of venue and as an example of a case in which the conduct elements point to a single proper district. Cabrales supports the Court’s insistence that venue follows the statute’s own prohibited acts, not downstream consequences or related proceedings elsewhere.

United States v. Anderson

United States v. Anderson, 328 U. S. 699, contributed the classic “locus delicti” formulation: the location of the “act or acts constituting” the crime alleged determines venue. Abouammo applies that principle straightforwardly: falsification is the act; venue is where it occurred.

United States v. Johnson

The Court treated United States v. Johnson, 323 U. S. 273, as especially instructive. There, a mailing-for-a-purpose offense was complete where the item entered the mail, not where it later arrived and was used. Abouammo analogizes: a §1519 offense is complete upon falsification (with intent), not where the falsified document is later received, reviewed, or has hoped-for impact. Johnson also rebuts the Ninth Circuit’s “contemplated effects” approach by separating the prohibited act from the purpose or anticipated downstream effects.

United States v. Cores

United States v. Cores, 356 U. S. 405, is used for the Founders’ and Court’s sensitivity to “unfairness and hardship” when defendants are prosecuted in a remote place, reinforcing venue as a protection against geographic overreach.

Travis v. United States

Travis v. United States, 364 U. S. 631, is cited for the “discrete” and crime-specific character of venue decisions: venue turns on “the nature of the [specific] crime charged.” That framing supports the Court’s insistence that §1519 venue is determined by §1519’s own elements—no more, no less.

Smith v. United States

Smith v. United States, 599 U. S. 236, is invoked for historical context (including the Declaration of Independence) and the constitutional salience of venue—showing why the Court is reluctant to dilute venue protections with expansive, effects-based theories.

Whitfield v. United States

The Government analogized to conspiracy venue doctrine and cited Whitfield v. United States, 543 U. S. 209. The Court rejected the analogy by rejecting the premise: §1519 is not an inchoate offense like conspiracy; it is a complete, standalone crime upon falsification with intent, even if no further act occurs.

United States v. Detroit Timber & Lumber Co.

United States v. Detroit Timber & Lumber Co., 200 U. S. 321, appears in the syllabus note for the proposition that the syllabus is not part of the Court’s opinion. It does not shape the venue rule but frames how to read the decision.

3.2. Legal Reasoning

The Court’s analysis proceeds in three core steps.

(1) Venue is conduct-based under the Constitution and the Court’s framework

The Court grounded venue in both Article III and the Sixth Amendment, then applied the Rodriguez-Moreno/Anderson methodology: identify the acts the statute prohibits and locate where those acts occurred.

(2) §1519’s only prohibited act is falsification, so venue is where falsification occurred

Section 1519 requires: (i) a knowing falsification (or related tampering) of a record/document, and (ii) intent to impede, obstruct, or influence a federal matter/investigation (ongoing or contemplated). The Court emphasized that once falsification occurs with the requisite intent, the crime is complete; no transmission, use, success, or actual obstruction is required. Therefore, the “conduct constituting the offense” is the falsification itself, fixing venue at the place of falsification.

(3) Mens rea and “contemplated effects” do not create venue where no proscribed conduct occurred

The Ninth Circuit’s key move—treating “contemplated effects” as “essential conduct”—was rejected as a category error. The Court stressed it has “never looked to a statute’s mens rea elements in considering venue,” because mens rea does not change the location of the defendant’s conduct. Importantly, §1519 does not require that the falsification actually obstruct anything (contrasted with statutes like 18 U. S. C. §1512(c)(2)), so “effects” in the investigation district are not elements and cannot support venue.

(4) §1519 is not an inchoate offense; it is a standalone offense

The Government argued §1519 is “inchoate” and thus venue could be premised on acts relevant to an “ultimate” obstruction crime. The Court rejected that characterization using the definition of “inchoate offense” from Black’s Law Dictionary: inchoate crimes are “step[s] toward the commission of another crime,” typically “attempt, conspiracy, and solicitation.” Section 1519 has no object offense and can be violated even if the falsified document is never used (e.g., placed in a drawer). That feature makes §1519 complete in itself, defeating conspiracy-style venue logic.

(5) Statutory caveats and what the Court did not decide

The Court noted that 18 U. S. C. §3237(a) codifies the principle that crimes spanning districts may be prosecuted in any district where they were begun/continued/completed—yet that principle still depends on identifying the offense’s proscribed acts. It also emphasized that some obstruction statutes have explicit venue provisions (e.g., 18 U. S. C. §1512(i)), and the Court expressly did not address those statutory schemes. The holding is tailored to §1519, which lacks its own venue clause.

3.3. Impact

  • Constrains forum selection in §1519 prosecutions: Prosecutors may not anchor venue to the location of the agency, investigating office, or investigative “home district” if the falsification occurred elsewhere.
  • Separates intent from geography: The decision draws a bright line: intent to affect an investigation in District A does not permit trial in District A absent conduct there. This limits effects-based venue theories that could otherwise expand prosecutorial choice.
  • Clarifies §1519’s nature: By rejecting “inchoate” framing, the Court signals that §1519 is not merely an adjunct to other obstruction offenses; it stands on its own elements, which in turn drive venue.
  • Practical consequences for multi-district investigations: Federal investigations are frequently centralized (e.g., at a field office) while suspects act elsewhere. After Abouammo, §1519 charges must track where the falsification occurs—often the defendant’s location—potentially requiring transfers, parallel proceedings, or different charging strategies when other statutes offer broader venue or explicit venue provisions.
  • Potential ripple effects in “intent-to-affect elsewhere” statutes: Although “discrete,” the Court’s categorical refusal to treat mens rea and anticipated effects as “conduct” may be cited to resist expanded venue arguments in other statutes lacking venue clauses, especially where the government emphasizes intended impact in another district.

4. Complex Concepts Simplified

  • Venue: The legally proper place (judicial district) to hold the criminal trial; it is a constitutional right tied to where the crime was committed.
  • “Essential conduct elements” / “conduct constituting the offense”: The actions the statute makes criminal—what the defendant must do for guilt (as opposed to why he did it or what happened afterward).
  • Mens rea: The required mental state (e.g., “knowingly,” “with intent”). Abouammo holds mens rea does not move venue, because it does not change where the defendant’s act occurred.
  • “Contemplated effects”: Anticipated consequences (here, obstructing an investigation in another district). The Court held these are not “conduct” for §1519 venue because §1519 does not require any actual effect.
  • Inchoate offense: A preparatory crime (like attempt or conspiracy) aimed at another completed crime. The Court held §1519 is not inchoate because it is complete upon falsification with intent, even if nothing else happens.
  • Locus delicti: The “place of the crime,” determined by locating the act(s) that constitute the offense.

5. Conclusion

Abouammo v. United States establishes a clear venue rule for 18 U. S. C. §1519: trial must occur where the defendant falsified the document, and not where investigators are located or where the defendant hoped the falsification would have an effect. The Court reinforced a conduct-centered, element-driven understanding of venue, declined to treat mens rea as a venue-expanding device, and rejected efforts to recharacterize §1519 as an inchoate offense. In the broader landscape of federal criminal practice, the decision narrows prosecutorial forum choice for §1519 and strengthens the constitutional guarantee that defendants are tried where their criminal conduct occurred.