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Lawmakers attempting to conduct oversight at immigration detention facilities have encountered fresh obstacles after being issued a memo by the U.S. Immigration and Customs Enforcement (ICE). This directive mandates advanced notification for visits, thereby complicating efforts to speak directly with detainees at the Otay Mesa Detention Center in California. Despite federal court rulings that previously permitted unannounced visits, the new regulations have reignited concerns regarding transparency and accountability within the detention system.
New Restrictions on Congressional Access
On Monday, Democratic Representatives Mike Levin and Sara Jacobs arrived at the Otay Mesa facility, armed with the understanding that they could engage with detainees to discuss their conditions. However, upon arrival, they were informed of ICE’s latest memo, which requires lawmakers to specify the names of individuals they wish to meet at least two business days in advance. Levin expressed his frustration, noting that the nature of effective oversight relies on unannounced visits, as transparency is key to understanding the realities within these detention centres.
“If the public is in the dark, the American people don’t know what’s happening inside these facilities,” Levin stated, highlighting the growing distrust among the public regarding the treatment of immigrants. The representatives were granted access to the facility but were barred from speaking to any of the approximately 1,000 detainees, leaving them unable to fulfil their oversight role.
Legal Battles and Ongoing Complaints
This development follows numerous court rulings aimed at protecting the rights of Congress members to inspect detention facilities without prior notice. A federal appeals court recently reaffirmed that such visits do not pose significant issues for ICE operations. Despite this, ICE’s acting director, Todd Lyons, described these congressional visits as “disruptive” and a drain on resources, arguing that they draw officers away from their primary responsibilities.

During their visit, Levin sampled the food provided to detainees, which he described as mediocre at best. Nonetheless, he emphasised that the inability to hear directly from those held at the facility undermines congressional oversight. “We will continue to push for access,” he stated firmly, indicating a commitment to holding ICE accountable, even in the face of these new regulations.
Conditions Under Scrutiny
The treatment of detainees has been a contentious topic, with numerous lawsuits alleging inhumane conditions ranging from unsanitary living quarters to inadequate medical care. Over 30 detainees reportedly died in ICE custody in 2025, marking the deadliest year for the agency in over two decades. This year alone has seen at least 18 fatalities, raising alarms about the facilities’ operational standards.
California officials have actively pursued legal action to gain access to these detention centres, echoing a broader call for reform and increased oversight. Detainees have raised serious concerns about their living conditions, including overcrowded facilities where many are forced to sleep on the floor and receive insufficient meals.
A Growing Demand for Accountability
The issue of oversight has gained prominence, particularly as the Trump administration moves to close the Office of the Immigration Detention Ombudsman, an independent body responsible for addressing civil rights complaints. Critics argue that such actions further diminish accountability within the immigration system, particularly as the administration emphasises a policy of self-deportation for immigrants.

With the stakes high and public sentiment shifting, lawmakers are determined to continue pressing for the right to conduct unimpeded oversight. “If they turn us away at the door, we’ll ensure that the courts are informed,” Levin asserted, signalling that the fight for transparency is far from over.
Why it Matters
The ongoing struggle between Congress and ICE over access to detention facilities highlights the critical need for transparency in immigration enforcement. As more allegations of inhumane treatment surface, the ability of lawmakers to engage directly with detainees becomes essential in holding the system accountable. The implications of these restrictions extend beyond legislative oversight; they touch on fundamental issues of human rights, public trust, and the integrity of the American judicial system. As advocates and lawmakers push for change, the outcomes of these battles will significantly shape the future of immigration policy in the United States.