Index/Topics/Federal supremacy in foreign affairs

Federal supremacy in foreign affairs

The US federal government's authority over foreign affairs and its implications for local law enforcement

Fact-Checks

5 results
Jan 14, 2026
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what can you tell me about Title 8 U.S.C. § 1357

Title 8 U.S.C. § 1357 is the federal statutory backbone for immigration officers’ field powers—authorizing certain interrogations, arrests, searches, seizures, and oath‑taking in immigration matters—a...

Jan 18, 2026
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How can we the American people put a stop to the irreparable damage caused by President Donald Trump and his administration since Congress or anyone else won't?

A multipronged strategy led by voters, state and local officials, civil-society groups, and the courts is the clearest path for Americans to blunt executive overreach when Congress fails to act; litig...

Jan 27, 2026
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What rules govern U.S. law‑enforcement activities on foreign soil during international events?

law‑enforcement activity on foreign soil is governed by a mix of (notably the territorial sovereignty principle), bilateral and multilateral cooperation instruments, and that constrain overseas operat...

Jan 25, 2026

What elements must prosecutors prove to convict under 18 U.S.C. § 111 versus 18 U.S.C. § 372 in obstruction cases?

Federal prosecutors use C. § 111 to target individual acts that “forcibly assault, resist, oppose, impede, intimidate, or interfere with” s while they are performing official duties, and they use 18 U...

Jan 14, 2026

How did enforcement priorities affect local law‑enforcement cooperation and sanctuary city policies under each administration?

Enforcement priorities from the federal executive have repeatedly reshaped whether and how local police cooperate with ICE: when Washington prioritized interior removals, it pressured—and sometimes su...