Constitutional Violations During ICE Raids: Examples and How Common They Are

Summary

There is substantial evidence that constitutional violations have occurred during some ICE raids. Documented examples include:

• Entering homes without a judicial warrant or valid consent.
• Detaining workers in mass workplace raids without individualized suspicion.
• Stopping people because they appear Latino, speak Spanish, work in particular occupations, or happen to be in immigrant neighborhoods.
• Arresting or detaining U.S. citizens.
• Denying detainees timely access to lawyers.
• Using unreasonable or excessive force.
• Interfering with journalists, protesters and people observing enforcement operations.

It is not possible to calculate a reliable nationwide percentage of ICE operations involving constitutional violations. ICE does not maintain or publish a complete national database of unlawful stops, mistaken citizenship arrests, warrantless entries, excessive-force complaints and judicial findings.

Nevertheless, the available evidence shows that violations are not merely hypothetical or confined to one isolated incident. Courts, the Government Accountability Office, government records and civil-rights investigations have found recurring problems. Some local studies have found extremely high apparent violation rates, although those studies cannot automatically be generalized to every ICE office or every raid nationwide.

The most responsible conclusion is:

Constitutional violations during ICE operations are documented and recurrent, but their exact national frequency remains unknown because the government does not adequately track or disclose them.

1. Mass detention of workers without individualized suspicion

The Micro Solutions factory raid

In 2006, ICE agents raided Micro Solutions Enterprises, a Los Angeles-area factory. Although the search warrant authorized a search for employment records, ICE had developed a plan to detain, question and potentially arrest hundreds of workers.

Approximately 130 workers were detained and questioned about their immigration status.

In Perez Cruz v. Barr, the Ninth Circuit Court of Appeals concluded that ICE could not use the records warrant as authority to carry out a preconceived mass detention of workers without individualized reasonable suspicion. The court held that the detentions violated an ICE regulation grounded in the Fourth Amendment.

The court explained:

“ICE agents were not permitted to carry out preplanned mass detentions, interrogations, and arrests at a factory, without individualized reasonable suspicion.”

The government’s evidence against Gregorio Perez Cruz resulted from his unlawful detention. The court ordered his removal proceedings dismissed without prejudice.  

Constitutional right involved

The Fourth Amendment protects people against unreasonable seizures. Officers generally cannot detain every person at a workplace merely because they suspect that some workers may lack legal status.

How common is this problem?

There is no national count of workers unlawfully detained during workplace raids. This case nevertheless demonstrates that mass detention was not simply the spontaneous action of one officer. ICE planning documents showed that detaining and questioning workers was a central purpose of the operation.

Large workplace raids inherently create a constitutional risk when officers treat everyone present as a suspect rather than making individualized decisions.

2. Entering homes without judicial warrants or valid consent

ICE frequently carries administrative immigration warrants signed by ICE officials. These warrants may authorize the arrest of a named person, but they ordinarily do not authorize agents to force entry into a private home.

Without an appropriate judicial warrant, agents generally need voluntary consent or a genuine emergency to enter.

Evidence from ICE’s own records

The Cardozo Immigration Justice Clinic reviewed two sets of ICE home-raid arrest records:

• A random sample of 100 people arrested in Long Island home raids from 2006 through 2008.
• Approximately 600 records from New Jersey home raids conducted in 2006 and 2007.

Because ICE regulations required officers to record consent, the researchers examined whether the reports said that permission had been obtained.

The study found:

• In the Long Island sample, the reports failed to document consent in 86 percent of cases.
• In the New Jersey records, the reports failed to document consent in 24 percent of cases.

The researchers acknowledged that missing documentation does not conclusively prove that consent was absent in every case. Recordkeeping could explain some omissions. However, they also found reports in which supposed consent appeared inconsistent with the officer’s own narrative. One report stated that pounding caused a door to open and agents then entered, while a standard entry elsewhere in the report said the occupant had consented.  

The study also found that officers’ reports stated no basis for initially seizing and questioning residents in:

• 67 percent of the New Jersey records.
• 65 percent of the Long Island records.

Only about one-third of those arrested were the intended targets. Roughly two-thirds were “collateral” arrests of other residents found during the operations.  

Constitutional right involved

A nonconsensual home entry without a judicial warrant or emergency ordinarily violates the Fourth Amendment. The constitutional protection applies even when ICE has probable cause to believe that someone inside is removable.

How common is this problem?

These findings suggest that unlawful or inadequately documented home entry was common in the two offices studied, particularly on Long Island.

But the study has important limitations:

• It covered operations from 2006 through 2008.
• It examined only New York and New Jersey offices.
• Missing consent documentation is evidence of a serious problem but is not definitive proof of an illegal entry in every case.
• ICE practices may differ by office and period.

The study therefore does not prove that 24 or 86 percent of all ICE home raids nationwide are unconstitutional. It does show that, in certain large groups of actual ICE records, the apparent problem was widespread rather than exceptional.

3. Racial profiling and suspicionless street stops

Southern California raids in 2025

During intensified enforcement operations in Southern California in 2025, plaintiffs presented evidence that federal immigration agents were stopping people based on combinations of:

• Apparent Latino ethnicity.
• Speaking Spanish or accented English.
• Working in occupations such as construction, landscaping or car washing.
• Being present at locations such as Home Depot parking lots, bus stops, agricultural sites and car washes.

Two U.S. citizens were among the plaintiffs. One said agents detained him even after he showed identification.

A federal district judge concluded that the plaintiffs had shown a likelihood of unconstitutional stops. The court issued a temporary order barring agents from conducting immigration stops without individualized reasonable suspicion and from treating ethnicity, language, occupation or location as sufficient grounds. The Ninth Circuit initially declined to stay that order.  

The Supreme Court later stayed the order while the litigation continued. That emergency stay did not constitute a final trial judgment that the challenged practices were constitutional.  

Constitutional right involved

The Fourth Amendment requires individualized reasonable suspicion for an investigative detention. The government generally cannot stop someone merely because that person appears Latino or speaks Spanish.

Intentional racial discrimination by federal officers can also violate the equal-protection component of the Fifth Amendment.

How common is this problem?

The litigation presented evidence of repeated stops across several Southern California counties, sufficient for the district court to find a likely pattern rather than one accidental encounter.

A 2009 analysis of New York and New Jersey home-raid records found that Latinos were heavily overrepresented among collateral arrests for which officers recorded no basis for the initial seizure:

• 90 percent in the New Jersey records.
• 94 percent in the Long Island records.

The authors said the findings were suggestive of racial profiling, but they properly cautioned that the evidence came from only two regions.  

A 2026 ACLU review identified 437 incidents it classified as likely racial profiling among more than 1,200 immigration-enforcement incidents examined in eight states during 2025. That is evidence of a serious recurring pattern, but it is not a representative national sample and should not be interpreted to mean that 437 out of every 1,200 ICE operations involve racial profiling.  

4. Arrest and detention of U.S. citizens

Because U.S. citizens cannot legally be deported, arresting a citizen on a civil immigration charge can constitute an unreasonable seizure and deprivation of liberty without due process.

GAO findings

In 2021, the nonpartisan Government Accountability Office reviewed available ICE data covering fiscal year 2015 through March 2020.

The data indicated that ICE had:

• Arrested 674 potential U.S. citizens.
• Detained 121 potential U.S. citizens.
• Removed 70 potential U.S. citizens.
• Issued immigration detainers for at least 895 potential U.S. citizens.

About 74 percent of those detainers were subsequently cancelled.

GAO used the term “potential U.S. citizens” because ICE’s records were incomplete and citizenship questions were not always resolved or recorded consistently. It therefore cannot be assumed that every person in those figures was conclusively established to be a citizen. Nevertheless, the numbers show that immigration enforcement repeatedly reached people for whom substantial evidence of citizenship existed.  

GAO also found that ICE did not systematically track such encounters. Therefore, ICE itself could not determine the full extent to which it had taken enforcement action against people who might be citizens.  

Constitutional rights involved

Wrongfully arresting a citizen may violate:

• The Fourth Amendment’s prohibition against unreasonable seizure.
• The Fifth Amendment’s guarantee of due process.
• In some circumstances, the right to access courts and legal assistance.

How common is this problem?

Compared with the total number of ICE arrests, proven citizen arrests appear to be a minority. But they are not nonexistent, and the available total is almost certainly incomplete because ICE did not maintain reliable citizenship-investigation data.

It is also important to distinguish:

• A very brief encounter in which officers reasonably investigate conflicting evidence.
• Continued detention after officers have received persuasive evidence of citizenship.
• Actual removal of a citizen from the United States.

The latter two are substantially more serious.

5. Denial of access to lawyers

During the 2025 Los Angeles operations, detainees at the federal B-18 holding facility reportedly had difficulty contacting or meeting lawyers.

A federal judge found that the evidence showed a likelihood of unconstitutional denial of counsel and ordered the government to provide attorney access on weekdays, weekends and holidays.  

Constitutional right involved

Immigration proceedings are civil, so detainees generally do not have a constitutional right to a government-appointed attorney. But they ordinarily have a statutory right to obtain counsel at their own expense.

Government interference that prevents meaningful communication with retained or volunteer attorneys can violate:

• The Fifth Amendment’s guarantee of due process.
• The right of access to courts.
• Federal immigration statutes and regulations.

How common is this problem?

There is no comprehensive national database recording how often ICE detainees are unable to reach counsel immediately following raids.

The Los Angeles case involved alleged practices at a major processing facility rather than a single misplaced telephone request. That makes the evidence more significant, but it still does not establish a national rate.

6. Unreasonable or excessive force

Force may be constitutionally permissible when reasonably necessary to protect officers, prevent escape or make a lawful arrest. It becomes constitutionally suspect when it is disproportionate to the threat presented.

Reported ICE-operation tactics have included:

• Tackling or pinning people.
• Pressing on the neck or restricting breathing.
• Breaking vehicle windows.
• Pointing guns or Tasers at unarmed people.
• Using chemical irritants.
• Using force against observers or protesters.

A 2026 ACLU review of more than 1,200 incidents in eight states during 2025 reported:

• 418 incidents in which agents pushed, shoved, tackled or pinned people.
• 81 incidents involving methods that could restrict breathing.
• 361 incidents involving chemical irritants.
• 131 incidents in which irritants were allegedly aimed directly at individuals.
• 155 U.S. citizens allegedly detained, targeted or subjected to misconduct.
• 782 protesters, journalists, clergy members, elected officials or observers affected.

The ACLU said more than 400 of the incidents it reviewed involved agent misconduct.  

Constitutional rights involved

Potential constitutional provisions include:

• The Fourth Amendment, when force is used during a stop or arrest.
• The Fifth Amendment, for federal treatment of people already detained.
• The First Amendment, when force is used in retaliation for recording, reporting or peacefully criticizing officers.

How common is this problem?

The ACLU findings demonstrate hundreds of reported incidents across eight states. But its data were collected to identify civil-rights problems, not through a random sample of all ICE operations. They establish that serious allegations are numerous; they cannot determine what percentage of all encounters involved excessive force.

A further complication is that not every use of force is unconstitutional. Courts consider the threat, resistance, flight risk, severity of the suspected offense and the total circumstances. Video evidence may establish that force occurred without conclusively establishing that it was legally excessive.

7. Interference with observers, journalists and protesters

People ordinarily have the right to observe and record officers conducting public duties from a safe and lawful distance. Journalists and peaceful protesters are also protected by the First Amendment.

During several immigration-enforcement surges, observers and reporters alleged that agents:

• Ordered them to stop recording.
• Pushed or arrested people observing operations.
• Used chemical irritants against crowds.
• Retaliated against people criticizing ICE.
• Restricted journalists’ access to public events.

The 2026 ACLU study identified 782 protesters, journalists, elected officials, clergy members and community observers who were allegedly detained, targeted or subjected to misconduct during incidents in eight states in 2025.  

Constitutional rights involved

These incidents can implicate:

• Freedom of speech.
• Freedom of the press.
• Peaceful assembly.
• The right to petition the government.
• The Fourth Amendment’s protection against unjustified arrest or force.

The First Amendment does not permit obstruction, assault or trespass. Officers may establish reasonable safety perimeters. The constitutional question is whether restrictions are genuinely safety-related or are used to suppress observation and criticism.

How Common Are Constitutional Violations?

No reliable national percentage exists

No trustworthy source can currently say that a precise percentage of ICE raids are unconstitutional.

The major reasons are:

1. ICE does not publish a complete incident-level database.
   There is no unified public record identifying every forced entry, citizenship claim, use of force, suppression motion, complaint or judicial finding.
2. Most violations never produce a court ruling.
   Many detainees are removed, transferred or released before a case can be fully litigated.
3. Suppression is limited in immigration court.
   Unlike criminal proceedings, evidence obtained through an unconstitutional search is not automatically excluded in an ordinary removal case. This reduces the incentive and practical ability to litigate violations.
4. Damage claims against federal officers are difficult.
   Supreme Court decisions have sharply restricted lawsuits seeking personal damages from federal immigration officers.
5. Victims may fear coming forward.
   Undocumented people and mixed-status families may avoid complaints because they fear detention or retaliation.
6. Advocacy studies are not random national samples.
   They are valuable for documenting patterns but frequently focus on suspected abuses or particular jurisdictions.

What can reasonably be concluded?

The evidence supports four conclusions.

First: violations have been conclusively documented

Cases such as Perez Cruz v. Barr establish that ICE has conducted unlawful mass detentions. Government data also establish that ICE has taken enforcement action against people with credible citizenship claims.

Second: some violations have affected groups, not merely individuals

The factory raid involved approximately 130 workers. The Long Island and New Jersey studies examined hundreds of arrest records. The Los Angeles litigation concerned repeated practices across seven counties.

Third: violation rates vary substantially

The consent-documentation problem ranged from 24 percent in one data set to 86 percent in another. This wide variation suggests that local leadership, training, recordkeeping and operational culture matter considerably.

Fourth: the official count is incomplete

GAO explicitly found that ICE could not determine the full number of enforcement actions against potential U.S. citizens because it did not systematically maintain the necessary data. The same absence of comprehensive data affects other constitutional violations.

Overall Assessment

It would be inaccurate to claim that every ICE raid is unconstitutional. ICE has lawful authority to arrest people who are subject to removal, execute judicial warrants and investigate immigration-related crimes.

It would be equally inaccurate to describe constitutional violations as rare aberrations unsupported by evidence.

Courts and government investigators have documented:

• Planned mass detentions without individualized suspicion.
• Enforcement action against people with evidence of U.S. citizenship.
• Inadequate systems for detecting and recording citizenship.
• Repeated apparent home entries without documented consent.
• Large numbers of collateral arrests.
• Likely racial profiling and suspicionless stops.
• Interference with attorney access.
• Numerous reported uses of force against citizens, immigrants, journalists and observers.

The available evidence therefore indicates a recurring structural problem, while inadequate federal recordkeeping prevents a dependable national estimate.

Printable References

1. U.S. Government Accountability Office. Immigration Enforcement: Actions Needed to Better Track Cases Involving U.S. Citizenship Investigations. GAO-21-487, July 2021. Reports available ICE data indicating 674 arrests, 121 detentions, 70 removals and at least 895 detainers involving potential U.S. citizens from fiscal year 2015 through March 2020.
2. Perez Cruz v. Barr, 926 F.3d 1128 (9th Cir. 2019). Held that ICE could not use a search for employment records to carry out planned mass detentions and interrogations without individualized reasonable suspicion.
3. Cardozo Immigration Justice Clinic. Constitution on ICE: A Report on Immigration Home Raid Operations. Benjamin N. Cardozo School of Law, 2009. Examined approximately 700 ICE arrest records from Long Island and New Jersey and reported widespread missing consent documentation and unexplained seizures.
4. Vasquez Perdomo v. Noem, 148 F.4th 656 (9th Cir. 2025). Litigation challenging immigration stops in Southern California allegedly based on ethnicity, language, occupation and location.
5. Noem v. Vasquez Perdomo, No. 25A169, Supreme Court of the United States, order dated September 8, 2025. Stayed the district court’s temporary order while appellate litigation continued; did not constitute a final merits judgment.
6. U.S. Court of Appeals for the Ninth Circuit. Vasquez Perdomo v. Noem, No. 25-4312, order filed August 1, 2025. Declined at that stage to stay the district court order barring immigration stops without individualized reasonable suspicion.
7. American Civil Liberties Union. Agents of Chaos and Cruelty. 2026. Review of more than 1,200 immigration-enforcement incidents occurring in eight states during 2025.
8. United States v. Brignoni-Ponce, 422 U.S. 873 (1975). Held that apparent Mexican ancestry alone does not justify an immigration stop.
9. Payton v. New York, 445 U.S. 573 (1980). Held that officers generally may not enter a home without a proper warrant or consent to make a routine arrest.
10. INS v. Lopez-Mendoza, 468 U.S. 1032 (1984). Held that the exclusionary rule generally does not apply in ordinary civil removal proceedings, while acknowledging questions involving egregious or widespread Fourth Amendment violations.
11. Zadvydas v. Davis, 533 U.S. 678 (2001). Confirmed that the Fifth Amendment protects noncitizens within the United States against deprivation of liberty without due process.
12. 8 C.F.R. §287.8. Federal regulation governing immigration-officer questioning, arrests, warrantless arrests and entry into residences or other areas.
13. Immigration and Nationality Act §287, 8 U.S.C. §1357. Defines immigration officers’ statutory arrest and enforcement powers.
14. U.S. Constitution, Amendment I. Protects speech, press, peaceful assembly, petition and religious activity.
15. U.S. Constitution, Amendment IV. Protects against unreasonable searches and seizures.
16. U.S. Constitution, Amendment V. Protects every “person” against federal deprivation of liberty without due process.