Index/Topics/Supremacy Clause Immunity

Supremacy Clause Immunity

The doctrine that limits state prosecution of federal officers, rooted in Supreme Court decisions like In re Neagle, and its application and refinement by lower courts and statutes.

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6 results
Jan 13, 2026
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What legal immunities protect federal agents from state prosecution and how have courts treated those defenses?

Federal agents do not enjoy blanket or “absolute” immunity from state criminal prosecution; instead the Constitution and courts recognize a narrower Supremacy Clause immunity for acts authorized and n...

Jan 26, 2026
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What court cases have established limits on state prosecution of federal officers?

The doctrine that limits state prosecution of federal officers is rooted in a small set of decisions—most notably —and has been applied and refined by lower courts and statutes that permit removal of ...

Jan 16, 2026
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What court cases define when federal officers are immune from state prosecution for actions taken in the line of duty?

The doctrine that can shield federal officers from state criminal prosecution is rooted in the Supremacy Clause and was first articulated in In re Neagle , but the Supreme Court’s recent decision in M...

Jan 26, 2026

How have federal immunity doctrines affected prosecutions of federal officers in past excessive-force cases?

—principally in civil suits and in criminal prosecutions by states—have substantially narrowed routes to accountability for officers accused of excessive force, often preventing trials or damages even...

Jan 19, 2026

is a state prosicution on rge table for ICE afenr ross

Yes — a state prosecution of ICE agent Jonathan Ross is legally possible, but it faces substantial evidentiary, procedural and political obstacles that make it uncertain whether Minnesota prosecutors ...

Jan 17, 2026

What precedents exist for courts overturning or upholding state convictions of high‑profile federal officeholders?

Courts have a mixed but well‑charted record when state convictions of high‑profile federal officeholders are challenged: the U.S. Supreme Court can review state‑court interpretations of federal law (d...