What exactly does 18 U.S.C. §111 prohibit and what are recent federal cases under it?

Checked on January 14, 2026
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Executive summary

18 U.S.C. § 111 makes it a federal crime to “forcibly assault, resist, oppose, impede, intimidate, or interfere” with federal officers, employees or certain protected former officials while they are performing official duties, and it is structured as one misdemeanor and two felony tiers with escalating penalties for use of a deadly weapon or bodily injury (statutory text and legislative amendments) [1] [2] [3]. Courts and the Department of Justice have long interpreted the statute to cover not only traditional physical assaults but also forcible threats, menacing gestures, and some non-assaultive obstruction, and Congress has extended its reach extraterritorially in recent amendments [4] [5] [6].

1. What the statute says and how penalties are tiered

Section 111’s statutory language lists six categories of prohibited conduct—“forcibly assaults, resists, opposes, impedes, intimidates, or interferes”—and Congress set out a three‑tiered penalty scheme: a misdemeanor for “simple assault” and felony penalties for conduct involving physical contact or intent to commit another felony, with enhanced punishment (up to 20 years) when a deadly or dangerous weapon is used or bodily injury results (text and commentary in the Code) [1] [3] [2].

2. Who is protected and when the law applies

The statute protects officers and employees of the United States (and certain categories such as law enforcement explorers and some former federal employees when targeted for prior official acts) “while engaged in or on account of the performance of official duties,” language that courts and DOJ have used to limit the statute’s coverage to acts connected to official functions [3] [7]. Congress has clarified through legislation and notes that §111 (and related sections) can apply outside U.S. borders, affirming extraterritorial jurisdiction over covered conduct [6] [8] [9].

3. How courts and DOJ interpret “forcible” and non‑assaultive conduct

Department of Justice guidance and case law make clear that “forcible” under §111 can include threats made with apparent present ability to execute them, menacing gestures, and circumstances where an officer reasonably anticipates bodily harm—so the statute reaches beyond a narrow common‑law definition of battery to include some threatening or intimidating conduct [4] [7]. The statutory phrasing and historical predecessor statutes support reading §111 to criminalize both physical assault and certain non‑assaultive obstruction or intimidation when forcible elements are present [5] [7].

4. Recent statutory changes and jurisdictional reach

Congress has periodically amended §111 to clarify elements and penalties, and a notable procedural change was the explicit statement of extraterritorial jurisdiction in recent legislation, a response to circuit splits and litigation over whether federal protections apply to attacks on U.S. personnel abroad [6] [9]. Filings in appellate and Supreme Court dockets show active litigation over how broadly §111’s elements—particularly the role of common‑law simple assault as an element—should be read, indicating renewed doctrinal contestation even as the DOJ continues to apply the statute [5] [10].

5. Recent federal cases and trends in enforcement (what reporting shows—and its limits)

Reporting and practitioner summaries list routine examples—assaults on FBI agents during investigations, obstruction of federal officers at protests, and confrontations with federal correctional staff—but the provided sources are practice guides, DOJ manuals and certiorari filings rather than a compiled docket of recent convictions, so the public record here shows litigation over statutory interpretation (including cert petitions and appellate briefs) and examples cited by defense and prosecution commentators rather than a single authoritative catalog of “recent federal cases” [11] [12] [5] [10] [7]. The DOJ Criminal Resource Manual and appellate filings suggest enforcement spans both misdemeanor and felony prosecutions and that courts are resolving close questions about whether §111 requires proof of a traditional assault element or can apply to broader impediment and intimidation conduct [7] [5].

6. Competing perspectives and practical implications

Prosecutors and DOJ guidance emphasize §111 as necessary to protect federal functions and officials, endorsing a capacious reading that includes threats and forcible obstruction; defense practitioners and some appellate opinions push back, arguing that criminalizing mere misdemeanors or non‑assaultive acts without clear common‑law elements risks overbreadth—hence the litigation seen in cert petitions and appellate briefs [7] [5] [12]. The available sources document statutory text, DOJ interpretation, and active judicial contest—but do not provide a comprehensive, up‑to‑the‑minute list of prosecutions or outcomes nationwide, a limitation of the reporting assembled here [2] [11].

Want to dive deeper?
How have federal courts divided on whether common‑law simple assault is an element of 18 U.S.C. §111?
What are notable recent appellate decisions interpreting threats and menacing conduct under §111?
How does 18 U.S.C. §111 interact with state assault laws when federal and state jurisdictions overlap?