18 U.S.C. § 1111 defines federal murder and divides it into first and second degree. A killing does not become a federal case merely because it is serious; the prosecution also needs the applicable federal jurisdictional basis. [1]
How the degrees differ
The statute defines murder as an unlawful killing with malice aforethought. First-degree murder includes specified premeditated killings and killings committed in connection with listed felonies or other described circumstances. Other murder within the provision is second degree. [1]
Premeditation, intent, causation, and the alleged felony matter to the charged theory. A defendant’s possible exposure cannot be determined from the word murder alone. Read the indictment’s actual allegations and statutory references. [1]
Jurisdiction and punishment
Section 1111 addresses murder within the special maritime and territorial jurisdiction of the United States. Other federal provisions can reach other killings. The location, victim, and charged statute therefore require separate analysis. [1] [2]
The statutory punishment must be read with the charged degree and all applicable sentencing requirements. A maximum penalty is not a prediction of the sentence in a particular case. The basic first- and second-degree punishment language appears below. [1]
What to examine in the charging papers
Identify the alleged location, the asserted jurisdiction, the degree, and any predicate felony. Compare those allegations with the actual evidence of intent and causation. Defenses, lesser-included offenses, and evidentiary disputes depend on those facts, not on a universal checklist that fits every homicide. [1]
Practical application
A homicide occurring in a federally connected location requires a jurisdiction inquiry before the murder-degree analysis is complete. The prosecution’s theory should explain both why federal law reaches the location and why the alleged conduct satisfies the chosen degree. A separate federal victim-protection statute may supply a different route. Reading only the sentencing paragraph can miss those threshold questions. [1]
The statutory sentencing distinction
First-degree murder under this section is punishable by death or life imprisonment. Second-degree murder is punishable by a term of years or life. Those provisions do not eliminate the separate legal and procedural requirements applicable to seeking a death sentence. [1]
Related questions
Related guidance: 18 U.S.C. 113: Federal Assault Offenses and federal criminal jurisdiction under Section 3231.
Primary sources
Sources checked: October 31, 2026.