ICE can make certain arrests without a judicial warrant under federal immigration law. That does not mean officers have unlimited power to enter any home or nonpublic workplace. Arrest authority, entry authority, and detention procedures require separate analysis. [1]
What section 1357 authorizes
The statute permits specified warrantless immigration arrests when officers have the required reason to believe a person is unlawfully present and likely to escape before a warrant can be obtained. Other provisions govern additional powers and settings. Whether the stated conditions exist is a factual and legal question, not something established merely by an officer’s presence. [1]
Administrative and judicial warrants differ
ICE administrative forms are issued within the immigration enforcement system. They are not the same as a warrant signed by a judge. Examine the issuing authority, named person, address, purpose, and scope rather than relying on the document’s heading.
The Fourth Amendment affords strong protection to a home. The Supreme Court’s ordinary arrest-entry framework distinguishes a public-place arrest from nonconsensual entry into a residence and recognizes consent and exigent-circumstance issues. Agency policies do not themselves settle every constitutional dispute. [2]
At a workplace
Areas open to the public differ from locked offices or other nonpublic areas. An employer’s consent, a judicial warrant’s terms, and urgent circumstances can affect the analysis. A person’s suspected immigration violation is not a universal answer to the privacy rights of everyone at the site.
Preserve facts safely
Ask to see and retain a copy of documents where possible. Note the agency, names, time, location, statements, consent, and any use of force. Do not provide false identification or physically obstruct officers. Counsel can assess the legality and available remedies afterward.
Document how entry occurred
Whether someone consented, who had authority to consent, what the officers requested, and whether an emergency was asserted can materially affect the home-entry analysis. An arrest’s legality and an entry’s legality are related but separate. Preserve the actual facts without assuming that every signed immigration form or every objection resolves both. [1] [2]
See business Fourth Amendment protections and airport border detention; border inspection powers and ordinary interior home entry involve different legal settings.
Primary sources
Sources checked: October 31, 2026.