Lately, congressional Democrats have expressed frustration with their inability to oversee certain federal executive agencies. Their situation has become so dire that a dozen have brought lawsuits against two federal agencies: the Department of Homeland Security (DHS) and Immigration and Customs Enforcement (ICE). To understand how things got here, it helps to start with the basics of congressional oversight and why it matters so much.
Congressional Oversight Power
Congress has always actively checked the executive branch. This often includes holding hearings or sending letters, but it’s also about getting out into the field and seeing firsthand how federal agencies operate.
The Supreme Court has verified that Congress can and should perform this investigative power, through a series of decisions over the 20th century. SCOTUS has held that “the power to investigate is inherent in the power to make laws because a legislative body cannot legislate wisely or effectively in the absence of information respecting the conditions which the legislation is intended to affect or change.” The Court has also said that when Congress does not itself have all the necessary info to make a certain decision (which is often the case), it has to turn to those who do have that information.
This means Congress can “inquire into and publicize corruption, maladministration or inefficiency in agencies of the Government.” SCOTUS has also recognized that Congress’s power to investigate is as “penetrating and far-reaching” as its power to legislate. In practice, that means members of Congress routinely visit facilities run by agencies like DHS and ICE. These visits aren’t just for show — they’re how lawmakers gather facts, respond to constituent concerns, and shape future laws and budgets.
The federal government has operated in this manner since our country’s birth. But that started changing a handful of years ago.
Statutory Right to Oversight Visits
In 2019, Congress responded to reports of obstruction at immigration detention centers. Lawmakers were being turned away at the door or told to schedule visits weeks in advance. But lawmakers wanted to make sure they could see conditions as they actually are, not as they might appear after a few weeks' notice.
To fix this, Congress wrote clear language into annual appropriations bills (most recently Section 527) saying DHS can’t use any funds to block a member of Congress from entering a facility used to detain or house noncitizens. The law is explicit: members don’t need to give prior notice for oversight visits. This right extends beyond just facilities for minors. It covers any place — detention centers, processing centers, even ICE field offices — where people are held by DHS or ICE.
The new statutes reflected a bipartisan consensus: that real-time, unfiltered access is essential for meaningful oversight. Why all this focus on oversight? The answer lies in what’s been happening inside these facilities.
Alarming Incidents in Agencies
Over the past several years, and especially since early 2025, the U.S. immigration detention system has ballooned in size. Reports have surfaced of overcrowding, food shortages, unsanitary conditions, and inadequate medical care. There have also been disturbing accounts of U.S. citizens being swept up in ICE raids and detained without access to lawyers.
At the same time, internal watchdog offices within DHS have been gutted or sidelined by administrative shake-ups (for example, the Office for Civil Rights and Civil Liberties and the Office of the Immigration Detention Ombudsman). With these internal checks weakened or gone altogether, external oversight by Congress becomes even more critical. Lawmakers rely on unannounced visits not just to verify official reports but to hear directly from detainees and staff about what’s really happening on the ground.
Despite this clear legal framework, things took a sharp turn under the Trump administration in the past couple of months.
A Big Policy Change
In June, ICE and DHS rolled out a new policy requiring members of Congress to give at least seven days’ advance notice before visiting detention facilities. This policy directly contradicts Section 527’s plain language.
And it didn’t stop there: under this new policy, certain sites — including ICE field offices — were declared off-limits for congressional oversight visits altogether, even when those offices were being used to detain people. This marked a major departure from years of established practice and statutory protections.
ICE argued that field offices aren’t “detention facilities” because individuals held there are supposedly only awaiting processing and are not yet formally detained. But lawmakers pointed out that people were being held overnight (sometimes longer), often in crowded basements or makeshift holding areas.
Dems Underscore Impact
The impact was immediate and personal for many Congresspeople who were actively involved in oversight of immigration detention facilities. On Wednesday, twelve of them brought a lawsuit in federal court against DHS and ICE over their new policy, also naming ICE’s acting director Todd M. Lyons and DHS Secretary Kristi Noem as defendants.
All plaintiffs are Democrats, with several from California. They claim that, since June, every one of them has attempted at least once (often more) to conduct an oversight visit at a local ICE facility or field office in their district or state. Each time, they were denied entry, either because they hadn’t provided seven days’ notice or because the facility was deemed off-limits under the new policy.
For example, Representative Veronica Escobar of Texas claims she tried to visit an ICE facility in El Paso after hearing reports of abuse and food shortages but was turned away for lack of advance notice. Representative Jason Crow of Colorado says he was blocked from entering his state’s Aurora detention center for the first time since he began regular visits years ago. Other plaintiffs allegedly faced similar roadblocks — from New York City’s ICE field office to Los Angeles’s federal buildings — despite raising urgent concerns about overcrowding or wrongful detentions.
These members of Congress say that the consequences go beyond individual inconvenience for them. They argue that being shut out undermines their ability to serve constituents who may be detained or affected by ICE actions. They say it hampers their work on committees responsible for funding DHS and limits their capacity to draft laws grounded in real-world facts. Bigger picture, they say this erodes public accountability at a moment when transparency is desperately needed.
The lawsuit was led by Assistant Minority Leader Joe Neguse of Colorado, who called the Trump administration’s policy a “blatant disregard for both the law and the constitutional order” and insisted that a forceful response was necessary. DHS declined to comment on the lawsuit.
Related Resources:
- Only a Small Percentage of Federal Charges Against LA Protestors Have Gotten an Indictment (FindLaw's Law and Daily Life)
- Lesser Crimes May Now Lead to Denaturalization (FindLaw's Law and Daily Life)
- DOJ Files Misconduct Charges Against Federal Judge at Odds With Trump Administration (FindLaw's Federal Courts)
