General Warrants

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7 Articles
The U.S. Department Of Homeland Security logo is displayed on a sign at a Citizenship and Immigration Services office​.

No Warrant, No Problem: Administrative Subpoena Powers and an Outdated Fourth Amendment Doctrine

Numerous federal agencies possess statutory authority to obtain a wide range of sensitive information without advance judicial approval or probable cause of illegal activity.
Multiple rows of razor wire fencing surround the California City Immigration Processing Center, with a guard tower flying the American, California state, and CoreCivic flags in the background. Three people walk within the fenced perimeter near tan detention buildings, with hazy desert hills visible in the distance.

Free Speech, Immigration Law, and Truth Telling at UCLA Law’s Recent Federalist Society Event

An immigration expert considers questions that might have been asked at DHS General Counsel Percival's UCLA Law Federalist Society event.

Fencing with Fourth Amendment: Unpacking the Supreme Court’s Chatrie Decision

Chatrie stands as an important but narrow reaffirmation of the Supreme Court’s determination not to let technology overwhelm all privacy expectations in the digital age.
The U.S. Department of Homeland Security emblem on the U.S.Immigration and Customs Enforcement building as seen on January 07, 2026 in Washington, DC.

How Secretary Mullin Can Reform DHS

If Secretary Mullin is serious about reforming DHS, then he should consider the following list of suggestions, based on information provided by whistleblowers.
​A man, ICE Acting Director Caleb Vitello​, surrounded by a least two other men, members of the New York City Fugitive Operations Team​, conduct targeted enforcement operations on January 28, 2025 in New York City. The officers are in "POLICE ICE" tactical gear.

The Deeper Problem with ICE’s Arrest Warrants

DHS regulations do not ensure that ICE arrest warrants are supported by reliable probable cause findings. That failing poses significant Fourth Amendment risks.
A U.S. Immigration and Customs Enforcement agent's back is to the camera, facing the front door of an apartment building during an immigration raid or enforcement operation.

ICE Administrative Warrants and the Fourth Amendment: A Response to the DHS General Counsel

DHS says ICE agents can enter homes to arrest noncitizens using administrative warrants, without judicial oversight. DHS's position has no legal basis.
Just Security

Whose World Is This?: US and UK Government Hacking

On both sides of the Atlantic, we are witnessing the dramatic expansion of government hacking powers. In the United States, a proposed amendment to Rule 41 of the Federal Rules…
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