Enforcement

The U.S. immigration system is complex and can be difficult to understand. These resources provide key data points, historical information, and background on hot topics in immigration. Learn the basics about immigration.

Recent Features

All Enforcement Content

Publication Date: 
August 6, 2008
Over the past year and a half, County Sheriff Joe Arpaio of the Maricopa County Sheriff’s Office (MCSO) has transformed his police department into an immigration-enforcement agency, gaining...
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June 1, 2008
Since the terrorist attacks of September 11, 2001, changes in federal, state, and local law-enforcement priorities and practices have had a profound impact on America’s Muslims, Arabs, and South...
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May 22, 2008
While the U.S. government has poured billions upon billions of dollars into immigration enforcement, the number of undocumented immigrants in the United States has increased dramatically. Rather than...
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May 21, 2008
Since the mid-1980s, the federal government has tried repeatedly, without success, to stem the flow of undocumented immigrants to the United States with immigration-enforcement initiatives: deploying...
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May 1, 2008
This report provides an overview of SSA’s no-match letter program, a summary of DHS’s new supplemental proposed rule regarding no-match letters, and an overview of the unintended consequences of no-...
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March 25, 2008
Provides a summary of the new proposed "no-match" regulations and their harmful impact on workers, employers, and the Social Security Administration.
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September 1, 2007
By Jill Esbenshade, Ph.D. In this Special Report, author Jill Esbenshade finds that ordinance initiatives are correlated with a...
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May 2, 2007
Since 9/11 the watchword in the debate over immigration reform has been “security.” As a result, most policymakers and pundits now approach the subject of immigration largely from a law-enforcement...
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February 15, 2007
Ongoing reports about Mexico’s bloody conflict with organized crime have raised again the question of whether the United States should do more to prevent such violence from “spilling over” into the...
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February 1, 2007
By Raquel Rubio-Goldsmith, M. Melissa McCormick, Daniel Martinez & Inez Magdalena Duarte

Recommendations that DHS promulgate new regulations that ensure more effective oversight over the issuance of detainers and better protection for those subject to detainers.

Reducing Regulatory Burden; Retrospective Review Under Executive Order 13563, 76 Fed. Reg. 13526 (Mar. 14, 2011)
March 23, 2021

The current situation at the U.S.-Mexico border—including the rise in immigrant children in U.S. government custody—has captured the nation’s attention in recent weeks. Much of the conversation...

March 19, 2021

A pause on border wall construction is set to expire on March 20, without an indication of what will happen next. President Biden signed a proclamation ordering the 60-day pause on his first day...

March 9, 2021

The Biden administration announced new “enforcement priorities” for Immigration and Customs Enforcement (ICE) on February 18. The priorities were an initial step away from the Trump administration...

March 9, 2021

Since 2013, the government has struggled to respond to increasing numbers of unaccompanied children arriving at the U.S.-Mexico border. After disastrous Trump administration policies left...

March 5, 2021

The U.S. Supreme Court published a new decision on March 4 that will make it harder—if not impossible—for many longtime immigrants to fight deportation. The case, Pereida v. Wilkson, abandons...

March 2, 2021

The U.S. government has long relied on a punitive and outdated detention system to keep immigrants in its custody. Even when U.S. Immigration and Customs Enforcement (ICE) places people on...

March 2, 2021

U.S. Immigration and Customs Enforcement (ICE) announced last week that it would make changes to two family detention centers in Texas that would result in families spending less time in detention...

February 19, 2021

For years, U.S. Immigration and Customs Enforcement (ICE) has taken a harsh, punitive approach that has ripped families and communities apart. The Trump administration’s approach was particularly...

February 17, 2021

Just days before it was due to take effect, the Biden administration has struck down a last-minute deal made between the Trump administration and the union for U.S. Immigration and Customs...

February 12, 2021

The Trump administration sent over 70,000 people who came to the U.S border seeking asylum back to Mexico to wait for court hearings. This so-called “Migrant Protection Protocols” (“MPP”) program...

January 25, 2017
President Trump announced executive orders that are intended to follow through on campaign promises to build a wall and deport millions. Here's our response.
January 17, 2017
A coalition of immigrant and civil rights groups filed a complaint with the Department of Homeland Security’s Office for Civil Rights and Civil Liberties, last Friday and the Office of Inspector General, on behalf of numerous adult men and women, families and unaccompanied children who, over the past several months, were denied entry to the United States at ports of entry along the U.S.-Mexico border.
December 22, 2016
This registry, known as the National Security Entry-Exit Registration System (NSEERS), was shown to be ineffective and had not been used for years.
December 21, 2016
The American Immigration Lawyers Association (AILA), represented by the American Immigration Council and Foley & Lardner LLP, filed a lawsuit to compel U.S. Customs and Border Protection's (CBP) compliance with the Freedom of Information Act (FOIA), and to request release of the CBP Officer's Reference Tool (ORT).
November 18, 2016
A federal district court found that U.S. Customs and Border Protection is violating the constitutional rights of people detained in holding facilities in Arizona and ordered the government to take steps to improve conditions in these facilities, known as hieleras.
November 18, 2016
Alabama Senator Jeff Sessions will be nominated to serve as Attorney General in President-Elect Trump’s new administration. The following is a statement from Beth Werlin, Executive Director of the American Immigration Council.
October 5, 2016
In accordance with a settlement reached by the parties, a federal district court dismissed a class action lawsuit which challenged U.S. Customs and Border Protection’s (CBP) nationwide practice of failing to timely respond to requests for case information under the Freedom of Information Act (FOIA).
August 18, 2016
Today, groups made public damning evidence, including expert testimony and video stills illustrating the deplorable and unconstitutional conditions detained individuals are subjected to in Border Patrol custody in the agency’s Tucson Sector.
July 20, 2016

Washington, DC – The American Immigration Lawyers Association (AILA) and the American Immigration Council welcome plans announced by Immigration and Customs Enforcement (ICE) for the release

July 20, 2016
Secretary of Homeland Security Jeh Johnson released a statement on plans to make “substantial changes” to the agency’s family detention policies. The following is a statement, in response, from Ben Johnson, Executive Director of the American Immigration Council.
This FOIA lawsuit seeks to compel DHS and ICE to disclose the weekly reports ICE was required to produce about their enforcement activities and removals pursuant to the DHS’ January 20 and February 18 memos establishing new immigration enforcement priorities.
Publication Date: 
November 29, 2021
The Institutional Hearing Program permits immigration judges to conduct removal proceedings for noncitizens serving criminal sentences in certain correctional facilities.
Publication Date: 
November 23, 2021

The American Immigration Council, American Immigration Lawyers Association (AILA), ACLU of New Mexico, Innovation Law Lab, and the National Immigration Project of the National Lawyers Guild filed...

November 18, 2021

Data released by U.S. Customs and Border Protection (CBP) shows that the number of individuals apprehended by the Border Patrol at the U.S.-Mexico border fell by 15% from September to October,...

November 16, 2021

Four years ago, immigration lawyers and advocates began to see a disturbing practice emerge: the U.S. government began to forcibly separate children—some very young—from their parents at the...

November 10, 2021

By Tsion Gurmu, Legal Manager and Staff Attorney at the Black Alliance for Just Immigration and Emily Creighton, Legal Director of Transparency The public watched in horror this September as U.S....

This FOIA suit seeks to compel ICE to release information about conditions, treatment, and outcomes in eight immigration detention facilities in the U.S. South.
November 3, 2021

In a landmark court decision, Geo Group—one of the largest private prison companies that own and/or manage dozens of immigrant detention centers across the United States—was found to have violated...

October 29, 2021

By Emma Winger, Staff Attorney, American Immigration Council, and Eunice Cho, Sr. Staff Attorney, ACLU National Prison Project “Ben G.” is a 35-year-old veterinarian from Nicaragua who fled to the...

October 29, 2021
The Biden administration announced that DHS will issue a new memo to formally terminate the Migrant Protection Protocols. It is an important step towards ensuring that the MPP program never returns.

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