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 Collection: Congressional Research Service Reports
Apprehensions of Unauthorized Migrants along the Southwest Border: Fact Sheet

Apprehensions of Unauthorized Migrants along the Southwest Border: Fact Sheet

Date: May 2, 2014
Creator: Seghetti, Lisa & Durak, Daniel
Description: This report discusses the number of illegal alien apprehensions between southern ports of entry (POE) in the United States, which has generally declined.
Contributing Partner: UNT Libraries Government Documents Department
Arizona v. United States: A Limited Role for States in Immigration Enforcement

Arizona v. United States: A Limited Role for States in Immigration Enforcement

Date: September 10, 2012
Creator: Manuel, Kate M. & Garcia, Michael John
Description: Report that discusses the Supreme Court's ruling in Arizona v. United States, and considers the implications that the decision may have for immigration enforcement activity by states and localities.
Contributing Partner: UNT Libraries Government Documents Department
Asylum and “Credible Fear” Issues in U.S. Immigration Policy

Asylum and “Credible Fear” Issues in U.S. Immigration Policy

Date: June 29, 2011
Creator: Wasem, Ruth Ellen
Description: This report defines asylum seekers, and looks at the background of asylum seekers in the U.S. since the 1980s. It discusses current issues, including inconsistent approval rates for asylum seekers across different regions and jurisdictions. It ends with a discussion of the crux of the issue, and ways in directions that current law/new legislation could move to mitigate this issue.
Contributing Partner: UNT Libraries Government Documents Department
Asylum and “Credible Fear” Issues in U.S. Immigration Policy

Asylum and “Credible Fear” Issues in U.S. Immigration Policy

Date: April 6, 2011
Creator: Wasem, Ruth Ellen
Description: This report defines asylum seekers and looks at the background of asylum seekers in the U.S. since the 1980s. It discusses current issues, including inconsistent approval rates for asylum seekers across different regions and jurisdictions. It ends with a discussion of whether or not the policy (created during the Cold War) has adapted to the 21st century, and ways in directions that current law/new legislation could move to mitigate this issue.
Contributing Partner: UNT Libraries Government Documents Department
Asylum and Gang Violence: Legal Overview

Asylum and Gang Violence: Legal Overview

Date: September 5, 2014
Creator: Manuel, Kate M.
Description: This report discusses the basis for asylum in International and U.S. Law. The recent increase in the number of unaccompanied alien children (UACs) apprehended at the border between Mexico and the United States has raised questions about the role that gang-related violence in Central America may play in determining whether such children are eligible for refugee status and asylum.
Contributing Partner: UNT Libraries Government Documents Department
Asylum Policies for Unaccompanied Children Compared with Expedited Removal Policies for Unauthorized Adults: In Brief

Asylum Policies for Unaccompanied Children Compared with Expedited Removal Policies for Unauthorized Adults: In Brief

Date: July 30, 2014
Creator: Wasem, Ruth Ellen
Description: This report focuses on unaccompanied alien children as asylum seekers. To bring clarity to the unique policies toward unaccompanied children, this report compares their treatment to that of unauthorized adults and families with children in the specific contexts of asylum and expedited removal.
Contributing Partner: UNT Libraries Government Documents Department
Authority of State and Local Police to Enforce Federal Immigration Law

Authority of State and Local Police to Enforce Federal Immigration Law

Date: September 17, 2010
Creator: Garcia, Michael John & Manuel, Kate M.
Description: This report discusses the authority of state and local law enforcement to assist in the enforcement of federal immigration law through the investigation and arrest of persons believed to have violated such laws. It describes current provisions in federal law that permit state and local police to enforce immigration law directly, analyzes major cases concerning the ability of states and localities to assist in immigration enforcement, and briefly examines opinions on the issue by the Office of Legal Counsel (OLC) within the Department of Justice.
Contributing Partner: UNT Libraries Government Documents Department
Authority of State and Local Police to Enforce Federal Immigration Law

Authority of State and Local Police to Enforce Federal Immigration Law

Date: September 10, 2012
Creator: Garcia, Michael John & Manuel, Kate M.
Description: This report discusses the authority of state and local law enforcement to assist in the enforcement of federal immigration law through the investigation and arrest of persons believed to have violated such laws. It describes current provisions in federal law that permit state and local police to enforce immigration law directly; analyzes major cases concerning the ability of states and localities to assist in immigration enforcement, including the Supreme Court's ruling in Arizona v. United States; and briefly examines opinions on the issue by the Office of Legal Counsel (OLC) within the Department of Justice. This report does not discuss legal issues raised by state and local measures intended to supplement federal immigration laws through the imposition of additional criminal or civil penalties.
Contributing Partner: UNT Libraries Government Documents Department
Authority of State and Local Police to Enforce Federal Immigration Law

Authority of State and Local Police to Enforce Federal Immigration Law

Date: September 17, 2010
Creator: Garcia, Michael John & Manuel, Kate M.
Description: This report discusses the authority of state and local law enforcement to assist in the enforcement of federal immigration law through the investigation and arrest of persons believed to have violated such laws. It describes current provisions in federal law that permit state and local police to enforce immigration law directly, analyzes major cases concerning the ability of states and localities to assist in immigration enforcement, and briefly examines opinions on the issue by the Office of Legal Counsel (OLC) within the Department of Justice.
Contributing Partner: UNT Libraries Government Documents Department
Authority to Enforce the Immigration and Nationality Act (INA) in the Wake of the Homeland Security Act: Legal Issues

Authority to Enforce the Immigration and Nationality Act (INA) in the Wake of the Homeland Security Act: Legal Issues

Date: July 16, 2003
Creator: Viña, Stephen R
Description: None
Contributing Partner: UNT Libraries Government Documents Department
Barriers Along the U.S. Borders: Key Authorities and Requirements

Barriers Along the U.S. Borders: Key Authorities and Requirements

Date: April 8, 2015
Creator: Garcia, Michael J.
Description: This report discusses key statutory authorities and requirements governing the Department of Homeland Security's (DHS) construction of barriers along the U.S. borders. It also includes appendixes listing federal laws that have been waived by DHS in furtherance of border construction projects.
Contributing Partner: UNT Libraries Government Documents Department
Basic Questions on U.S. Citizenship and Naturalization

Basic Questions on U.S. Citizenship and Naturalization

Date: March 3, 1992
Creator: Eig, Larry M.
Description: U.S. citizenship is conferred at birth under the principle of jus soli (nationality of place of birth) and the principle of jus sanguinis (nationality of parents). The U.S. Constitution states as a fundamental rule of jus soli citizenship that "all persons born or naturalized in the United States, and subject to the jurisdiction thereof, are citizens of the United States and of the State wherein they reside." The exceptions to universal citizenship comprehended by the requirement that a person be born "subject to the jurisdiction thereof" include: (1) children born to a foreign sovereign or accredited diplomatic official; (2) children born on a foreign public vessel, such as a warship; (3) children born to an alien enemy in hostile occupation; and (4) native Indians.
Contributing Partner: UNT Libraries Government Documents Department
Birthright Citizenship and Children Born in the United States to Alien Parents: An Overview of the Legal Debate

Birthright Citizenship and Children Born in the United States to Alien Parents: An Overview of the Legal Debate

Date: October 28, 2015
Creator: Wyatt, Alexandra M.
Description: This report provides a brief historical review of U.S. citizenship from the time of the founding through the Civil Rights Act of 1866 and the Citizenship Clause of the Fourteenth Amendment of 1868.
Contributing Partner: UNT Libraries Government Documents Department
Birthright Citizenship Under the 14th Amendment of Persons Born in the United States to Alien Parents

Birthright Citizenship Under the 14th Amendment of Persons Born in the United States to Alien Parents

Date: August 12, 2010
Creator: Lee, Margaret Mikyung
Description: This report provides background information on birthright citizenship to alien parents in the U.S. The report ends with a detail of amendments in the 112th Congress that would amend the Constitution to exclude from citizenship at birth persons born in the United States whose parents are unlawfully present in the United States or are non-immigrant aliens.
Contributing Partner: UNT Libraries Government Documents Department
Birthright Citizenship Under the 14th Amendment of Persons Born in the United States to Alien Parents

Birthright Citizenship Under the 14th Amendment of Persons Born in the United States to Alien Parents

Date: January 10, 2012
Creator: Lee, Margaret Mikyung
Description: Background of birthright citizenship to alien parents in the U.S. The report ends with a detail of amendments in the 112th Congress that would amend the Constitution to exclude from citizenship at birth persons born in the United States whose parents are unlawfully present in the United States or are non-immigrant aliens.
Contributing Partner: UNT Libraries Government Documents Department
Birthright Citizenship Under the 14th Amendment of Persons Born in the United States to Alien Parents

Birthright Citizenship Under the 14th Amendment of Persons Born in the United States to Alien Parents

Date: August 20, 2015
Creator: Lee, Margaret M.
Description: This report traces the history of birthright citizenship under U.S. law and discusses some of the legislation in recent Congresses intended to alter it. In the current and recent Congresses, some Members have introduced or supported legislation that would revise or reinterpret the Citizenship Clause to address several concerns.
Contributing Partner: UNT Libraries Government Documents Department
Border Security and Military Support: Legal Authorizations and Restrictions

Border Security and Military Support: Legal Authorizations and Restrictions

Date: May 15, 2006
Creator: Vina, Stephen R
Description: The military generally provides support to law enforcement and immigration authorities along the southern border. Reported escalations in violence and illegal immigration, however, have prompted some lawmakers to reevaluate the extent and type of military support that occurs in the border region. President Bush has reportedly announced an interest in sending National Guard troops to support the Border Patrol. Addressing domestic laws and activities with the military, however, might run afoul of the Posse Comitatus Act, which prohibits use of the armed forces to perform the tasks of civilian law enforcement unless explicitly authorized. There are alternative legal authorities for deploying the National Guard, and the precise scope of permitted activities and funds may vary with the authority exercised. This report will be updated as warranted.
Contributing Partner: UNT Libraries Government Documents Department
Border Security and Military Support: Legal Authorizations and Restrictions

Border Security and Military Support: Legal Authorizations and Restrictions

Date: May 23, 2006
Creator: Vina, Stephen R
Description: The military generally provides support to law enforcement and immigration authorities along the southern border. Reported escalations in violence and illegal immigration, however, have prompted some lawmakers to reevaluate the extent and type of military support that occurs in the border region. President Bush has reportedly announced an interest in sending National Guard troops to support the Border Patrol. Addressing domestic laws and activities with the military, however, might run afoul of the Posse Comitatus Act, which prohibits use of the armed forces to perform the tasks of civilian law enforcement unless explicitly authorized. There are alternative legal authorities for deploying the National Guard, and the precise scope of permitted activities and funds may vary with the authority exercised.
Contributing Partner: UNT Libraries Government Documents Department
Border Security and Unmanned Aerial Vehicles

Border Security and Unmanned Aerial Vehicles

Date: January 2, 2004
Creator: Blazakis, Jason
Description: The use of Unmanned Aerial Vehicles (UAVs) to improve border security is a technique that has garnered congressional attention. This report examines the strengths and limitations of deploying UAVs along the borders and related issues for Congress. This report is not intended to provide in-depth information regarding technical or military capabilities of UAVs, but to discuss their application at the border.
Contributing Partner: UNT Libraries Government Documents Department
Border Security: Apprehensions of “Other Than Mexican”Aliens

Border Security: Apprehensions of “Other Than Mexican”Aliens

Date: September 22, 2005
Creator: Nuñez-Neto, Blas; Siskin, Alison & Viña, Stephen R
Description: As the United States Border Patrol (USBP) discharges its mission it encounters unauthorized aliens from around the world attempting to illegally enter the United States. In fiscal year (FY) 2004, USBP agents apprehended 1.16 million people attempting to enter the country illegally between official POE; 93% of these aliens were Mexican nationals. Because the vast majority of people apprehended each year by the USBP are Mexican nationals, the agency categorizes aliens as Mexicans or Other Than Mexicans (OTM). Over the past three years, OTM apprehensions have more than tripled nationwide and have been concentrated along the South Texas border. The reasons for this dramatic increase, and its geographical concentration in Texas, are not altogether clear.
Contributing Partner: UNT Libraries Government Documents Department
Border Security: Barriers Along the U.S. International Border

Border Security: Barriers Along the U.S. International Border

Date: September 21, 2006
Creator: Nuñez-Neto, Blas & Vina, Stephen R
Description: Congress has been considering expanding the barriers currently deployed along the U.S. international land border. Currently, the United States Border Patrol (USBP) deploys fencing, which aims to impede the illegal entry of individuals, and vehicle barriers, which aim to impede the illegal entry of vehicles (but not individuals) along the border. A number of policy issues concerning border barriers generally and fencing specifically may be of interest to Congress, including, but not limited to: their effectiveness; their costs versus their benefits; their location; their design; and their potential diplomatic ramifications. Prominent bills include House-passed H.R. 4437 and H.R. 6061, and Senate-passed S. 2611, and H.R. 5631.
Contributing Partner: UNT Libraries Government Documents Department
Border Security: Barriers Along the U.S. International Border

Border Security: Barriers Along the U.S. International Border

Date: March 16, 2009
Creator: Haddal, Chad C.; Kim, Yule & Garcia, Michael J.
Description: This report analyzes the barriers that are currently being constructed and maintained along the border by the U.S. Border Patrol (USBP), including historical and future cost estimates and the policy issues involved. Because the current debate has largely focused on the deployment of fencing to the border, this report will focus on the policy issues surrounding the construction of border fencing.
Contributing Partner: UNT Libraries Government Documents Department
Border Security: CRS Experts

Border Security: CRS Experts

Date: April 14, 2009
Creator: Lake, Jennifer E.
Description: This report includes a table which provides access to names and contact information for CRS experts on policy concerns relating to border security. Policy areas identified include: mission; border surveillance; foreign cooperation; immigration and foreign visitors; intelligence in border and transportation security; operational functions; trade and imports; and transportation systems.
Contributing Partner: UNT Libraries Government Documents Department
Border Security: Immigration Enforcement Between Ports of Entry

Border Security: Immigration Enforcement Between Ports of Entry

Date: January 16, 2014
Creator: Seghetti, Lisa
Description: This report reviews efforts to combat unauthorized migration across the Southwest border in the nearly three decades since the Immigration Reform and Control Act (IRCA) initiated the modern era in migration control. In reviewing such efforts, the report takes stock of the current state of border security and considers lessons that may be learned about enhanced enforcement at U.S. borders.
Contributing Partner: UNT Libraries Government Documents Department