Index/Topics/Fourth Amendment

Fourth Amendment

The Fourth Amendment to the United States Constitution, which protects against unreasonable searches and seizures.

Fact-Checks

57 results
Jan 14, 2026
Most Viewed

How do judicial warrants differ from administrative ICE warrants and how can a layperson identify each?

Judicial warrants are court-issued orders signed by a judge that authorize searches, arrests, or seizures and permit entry into private, nonpublic spaces; administrative ICE warrants are agency-issued...

Jan 16, 2026
Most Viewed

What federal laws or court rulings permit ICE agents to wear masks or use aliases during arrests?

Federal law contains no express statutory authorization that says ICE agents may wear masks or use false names during arrests; instead, masking and certain deceptive tactics rest on agency policy, lon...

Jan 16, 2026
Most Viewed

Can ICE demand ID from U.S. citizens or only noncitizens on public property?

Federal law does not create a general obligation for U.S. citizens to carry or show proof of citizenship in public, and ICE (a federal immigration agency) has statutory authority to question, detain o...

Jan 13, 2026

are ice agents allowed to arrest people or order them out of vehicles without warrants for things other than immigration?

ICE agents have statutory authority to make warrantless arrests for immigration violations and, in limited circumstances, for certain criminal offenses—especially when the offense occurs in the office...

Jan 11, 2026

How do ICE administrative warrants differ from judicial warrants, and what court rulings have limited their use?

ICE administrative (or removal) warrants are internal agency documents signed by immigration officials rather than judges and authorize ICE to arrest a person believed removable, but they do not, by t...

Jan 14, 2026

How do administrative ICE warrants differ from judicial warrants and what do they allow agents to do?

Administrative ICE warrants are agency-issued documents—signed by DHS or ICE officials rather than judges—that authorize immigration officers to detain or remove an individual but, unlike judicial war...

Jan 15, 2026

What legal authority allows ICE to enter a private home and when is a judicial warrant required?

Federal immigration officers may arrest people in public without a judge’s sign‑off, but the Constitution and federal guidance draw a bright line around private homes: absent consent or a recognized e...

Jan 12, 2026

how do ice agents know who to arrest

ICE builds arrest targets through a mix of records, field intelligence and on-the-ground identification, and then uses a mix of administrative paperwork, public arrests and sometimes deceitful tactics...

Jan 11, 2026

Does ice have the authority to arrest people for disobeying a command

ICE does have legal powers to arrest people, and those powers can extend to someone who disobeys an officer’s lawful command if that disobedience amounts to a criminal offense—for example resisting, o...

Jan 7, 2026

Can ICE agents arrest and carry firearms in all jurisdictions?

Yes—federal law gives ICE officers broad authority to make arrests and, under Attorney General–prescribed regulations, to carry firearms while performing immigration-enforcement duties , but that auth...

Jan 14, 2026

Is the ICE shooting of Renee Good against her constitutional rights?

The constitutional question turns on whether Renee Good was deprived of her Fourth Amendment right against unreasonable seizure and excessive force when an ICE agent fired into her vehicle; the videos...

Jan 16, 2026

In what circumstances can cbp demand proof of citizenship?

Customs and Border Protection (CBP) can demand proof of identity and citizenship in specific settings tied to its border and immigration enforcement roles — most clearly at ports of entry and during s...

Jan 17, 2026

When can ICE lawfully extend a traffic stop or detain passengers without a warrant?

ICE can lawfully prolong a traffic stop or detain vehicle occupants without a judicial warrant only when federal statutory authority and the Fourth Amendment’s standards are met — most critically, whe...

Jan 19, 2026

What legal cases have defined when ICE may enter homes without a judicial warrant?

The Supreme Court has long protected the home against nonconsensual government entry absent a judicial warrant, but it has recognized categorical exceptions—most notably exigent or emergency circumsta...

Jan 17, 2026

When can ICE enter a home without a judicial warrant under current law and precedent?

Under current law and Supreme Court precedent, the government generally may not make a nonconsensual entry into a home without a judicial warrant; narrowly defined exceptions permit warrantless entry ...

Jan 19, 2026

How have courts ruled on ICE arrests on reservation land in past decade?

Federal and tribal leaders say ICE arrests on or near reservation lands have sparked legal fights and a political uproar, but reporting and legal commentary show the question remains legally unsettled...

Jan 16, 2026

What criteria does ICE use to define a criminal alien versus a civil immigration violator?

ICE distinguishes between "criminal aliens" and "civil immigration violators" largely by whether an individual has been convicted of—or is charged with—criminal offenses that trigger immigration conse...

Jan 13, 2026

How have courts and civil-rights investigators ruled in past cases where ICE agents used deadly force?

Courts apply the same Fourth Amendment “objective reasonableness” test to federal immigration agents as to local police, but recent rulings emphasize evaluating the “totality of circumstances,” which ...

Jan 19, 2026

How have courts ruled on ICE detentions of people who later proved U.S. citizenship?

Federal and lower courts have repeatedly found that ICE detentions of people who later proved U.S. citizenship can be unlawful and have awarded relief, while also recognizing limits on remedies and on...

Jan 19, 2026

What are the legal limits on law‑enforcement access to My Eyes Only content on seized devices?

When agents seize a phone or laptop, the Fourth Amendment requires a warrant for searches of its contents in most circumstances, but modern devices and services create layered legal limits: courts hav...