MEXICO CITY — In a sharp escalation of diplomatic and legal pressure, Mexican President Claudia Sheinbaum announced on Sunday that her government will formally request U.S. prosecutors to file criminal charges in connection with the deaths of Mexican citizens held in U.S. Immigration and Customs Enforcement (ICE) custody. The move, described by Sheinbaum as a bid to “seek justice for our citizens and their families,” marks the first time Mexico has pursued federal-level legal action in U.S. courts over migrant deaths during immigration enforcement operations.
Speaking at a press conference in Mexico City, Sheinbaum did not specify the number of cases or the exact circumstances of the deaths but confirmed that the request would be submitted to the U.S. Department of Justice (DOJ) in the coming days. A spokesperson for Mexico’s Foreign Ministry later clarified that the petition would be transmitted through diplomatic channels and would focus on cases where Mexican nationals died while in ICE detention, citing patterns of medical neglect, inadequate care, and alleged mistreatment documented by advocacy groups and Mexican consulates in the U.S.
The announcement has drawn immediate attention from legal experts, migrant rights organizations, and U.S. officials, who have yet to respond publicly. While the U.S. has historically defended ICE’s operations, citing efforts to improve oversight and medical care in detention facilities, the Mexican government’s decision underscores growing frustration over what it perceives as a lack of accountability in cases involving migrant fatalities.
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What Happened
On July 14, 2026, President Sheinbaum announced that Mexico would formally request the U.S. Department of Justice to investigate and prosecute criminal charges related to the deaths of Mexican nationals in ICE custody. The request, which will be submitted through diplomatic channels, follows years of reports from advocacy groups, Mexican consulates, and independent investigations documenting systemic failures in ICE detention facilities, including delays in medical care, unsanitary conditions, and alleged abuse.
Sheinbaum’s statement did not provide specific details about the cases under consideration, but previous reports from organizations such as the American Civil Liberties Union (ACLU) and Human Rights Watch have documented dozens of deaths in ICE custody since 2020, many attributed to medical neglect or inadequate treatment of chronic conditions. A 2025 investigation by The New York Times found that at least 21 Mexican nationals had died in ICE custody since 2020, with several cases involving delays in emergency care or failure to provide prescribed medications.
The Mexican Foreign Ministry confirmed that the request would be accompanied by evidence gathered by Mexican consulates in the U.S., which have been monitoring cases of detained migrants and documenting complaints of mistreatment. While the ministry did not specify whether the request would target individual ICE officers, facility administrators, or systemic policies, legal experts suggest that Mexico may be pursuing charges under U.S. federal laws, including civil rights violations or negligent homicide.
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Why It Matters
Mexico’s decision to pursue criminal charges in U.S. courts carries significant diplomatic, legal, and humanitarian implications. For decades, migrant deaths in U.S. custody have been a contentious issue between the two countries, with Mexico often limited to diplomatic protests or consular interventions on behalf of its citizens. By escalating the matter to a formal legal request, Sheinbaum’s administration is signaling a shift toward more assertive advocacy for migrant rights, potentially setting a precedent for how countries of origin can hold U.S. authorities accountable for deaths in detention.
The move also reflects broader tensions over U.S. immigration policy, which has grown increasingly restrictive under both Democratic and Republican administrations. Since taking office in December 2025, Sheinbaum has criticized U.S. border policies, including the expansion of detention facilities and the use of expedited deportations, which she argues have contributed to dangerous conditions for migrants. Her predecessor, Andrés Manuel López Obrador, had largely avoided direct confrontation with the U.S. on immigration issues, opting instead for behind-the-scenes negotiations. Sheinbaum’s approach suggests a willingness to challenge U.S. policies more openly, even at the risk of straining bilateral relations.
For the U.S., the request presents a legal and political challenge. While the DOJ has the authority to investigate civil rights violations in federal custody, prosecutions of ICE officials or contractors have been rare. Legal experts note that sovereign immunity, jurisdictional barriers, and the difficulty of proving criminal intent in cases of systemic neglect could complicate Mexico’s efforts. However, the mere filing of such a request could increase scrutiny of ICE’s operations, particularly as the U.S. faces growing domestic criticism over detention conditions.
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Background and Context
The deaths of migrants in U.S. custody have been a persistent issue for decades, but the problem gained renewed attention in the mid-2010s amid reports of overcrowding, unsanitary conditions, and inadequate medical care in ICE facilities. A 2018 report by the Department of Homeland Security’s Office of Inspector General found that ICE detention centers frequently failed to meet basic health and safety standards, with some facilities operating without licensed medical staff or proper infection control protocols.
The issue became a flashpoint during the Trump administration, when the U.S. implemented policies such as “Remain in Mexico” (officially known as the Migrant Protection Protocols), which forced asylum seekers to wait in Mexico for their U.S. court hearings. Advocacy groups documented numerous cases of migrants dying in U.S. custody during this period, including several high-profile cases involving Mexican nationals. In 2019, the death of Carlos Gregorio Hernández Vásquez, a 16-year-old Guatemalan boy, from complications of influenza in a Texas Border Patrol station drew international condemnation. While Hernández Vásquez was not Mexican, his case highlighted the broader risks faced by migrants in U.S. custody.
Under the Biden administration, the U.S. pledged to reform ICE detention practices, including improving medical care and reducing the use of private prison contractors. However, reports from advocacy groups and government watchdogs have continued to document deaths in custody. A 2024 investigation by The Guardian found that at least 15 migrants had died in ICE custody that year, including several from preventable medical conditions. The report also noted that ICE’s internal oversight mechanisms had failed to hold facilities accountable for repeated violations of health and safety standards.
Mexico’s decision to pursue criminal charges comes at a time of heightened scrutiny of U.S. immigration enforcement. In 2025, the U.S. Congress passed the Border Security and Immigration Reform Act, which expanded funding for border enforcement but included provisions aimed at improving conditions in detention facilities. However, critics argue that the law did not go far enough to address systemic issues, such as the reliance on for-profit prison companies to operate ICE facilities, which have been accused of prioritizing cost-cutting over inmate welfare.
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Competing Claims and Uncertainty
Mexico’s request for criminal charges is likely to face significant legal and political hurdles in the U.S. Legal experts note that prosecuting ICE officials or contractors for deaths in custody would require proving criminal negligence or intent, a high bar given the complexities of the U.S. immigration detention system. The U.S. government has historically invoked sovereign immunity to shield federal agencies from lawsuits, and courts have been reluctant to second-guess the actions of immigration enforcement officials in the absence of clear evidence of wrongdoing.
A spokesperson for the U.S. Department of Justice declined to comment on Mexico’s announcement, but past statements from U.S. officials suggest that the government is likely to defend ICE’s operations. In 2023, then-ICE Director Tae Johnson testified before Congress that the agency had made “significant strides” in improving medical care in detention facilities, citing the hiring of additional medical staff and the implementation of new oversight protocols. However, Johnson also acknowledged that “challenges remain” in ensuring consistent care across ICE’s network of more than 200 detention facilities.
Advocacy groups, meanwhile, have welcomed Mexico’s move but caution that legal action alone may not be sufficient to address the root causes of migrant deaths in U.S. custody. “This is an important step, but it’s not enough,” said Erika Guevara-Rosas, Americas director at Amnesty International. “The U.S. must fundamentally reform its immigration detention system, which is inherently punitive and fails to meet basic human rights standards.” Guevara-Rosas and other advocates have called for the U.S. to reduce its reliance on detention, expand alternatives to incarceration, and ensure independent oversight of ICE facilities.
There is also uncertainty about how the U.S. legal system will respond to Mexico’s request. While the DOJ has the authority to investigate civil rights violations in federal custody, it has rarely pursued criminal charges against ICE officials. In 2021, a federal grand jury indicted a private prison contractor, CoreCivic, on charges of fraud and medical neglect in connection with the death of a migrant in a Louisiana ICE facility. However, the case was later dismissed after a judge ruled that the contractor was immune from prosecution under the terms of its contract with ICE. Legal experts say similar challenges could arise in Mexico’s cases, particularly if they involve private contractors rather than federal employees.
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What to Watch Next
In the coming weeks, several key developments will shape the trajectory of Mexico’s request and its broader implications for U.S.-Mexico relations and migrant rights:
1. U.S. Government Response: The DOJ and ICE have not yet commented on Mexico’s announcement, but their response will be closely watched. If the U.S. rejects the request outright, it could escalate diplomatic tensions and prompt Mexico to pursue alternative legal avenues, such as filing complaints with international bodies like the Inter-American Commission on Human Rights. Conversely, if the U.S. agrees to investigate, it could set a precedent for future cases involving migrant deaths in custody.
2. Legal Strategy and Evidence: Mexico’s Foreign Ministry has indicated that the request will be accompanied by evidence gathered by Mexican consulates in the U.S. The strength of this evidence—including medical records, witness statements, and documentation of ICE’s internal policies—will be critical in determining whether U.S. prosecutors pursue charges. Legal experts will also be watching to see whether Mexico targets individual ICE officers, facility administrators, or systemic policies in its request.
3. Congressional and Public Reaction: The issue of migrant deaths in U.S. custody has become increasingly politicized, with Democrats and Republicans offering starkly different solutions. Progressive lawmakers, such as Rep. Alexandria Ocasio-Cortez (D-NY), have called for the abolition of ICE, while conservatives have pushed for stricter border enforcement. Mexico’s request could reignite debates over immigration reform, particularly as the 2026 midterm elections approach.
4. Impact on U.S.-Mexico Relations: Sheinbaum’s announcement comes at a time when U.S.-Mexico relations are already strained over issues such as fentanyl trafficking, trade disputes, and energy policy. While both countries have a shared interest in managing migration, Mexico’s decision to pursue legal action could complicate bilateral cooperation. U.S. officials may view the move as an overreach, while Mexican lawmakers could face pressure to take additional steps if the request is ignored.
5. Advocacy and Grassroots Pressure: Migrant rights organizations are likely to use Mexico’s request as a rallying cry to push for broader reforms in the U.S. immigration system. Groups such as the ACLU and Human Rights Watch have long called for the closure of for-profit detention facilities and the expansion of alternatives to detention, such as community-based supervision programs. If Mexico’s legal action gains traction, it could galvanize public support for these reforms.
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Conclusion
Mexico’s decision to seek criminal charges in U.S. courts over the deaths of its citizens in ICE custody represents a bold and unprecedented step in the country’s advocacy for migrant rights. While the legal and diplomatic challenges are formidable, the move underscores the growing frustration among migrant-sending countries over the lack of accountability in the U.S. immigration system. For Sheinbaum, the request is both a moral and political statement, signaling a departure from her predecessor’s more conciliatory approach to U.S. immigration policy.
The outcome of Mexico’s request remains uncertain, but its mere filing has already elevated the issue of migrant
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Story synopsis gathered from: Al Jazeera News — source.
