Department of Homeland Security

About the agency
The Department of Homeland Security is a department of the United States federal government. It is responsible for public security, including immigration and customs, antiterrorism, and disaster prevention and management.

Records available
In the 2015 FOIA request report by the DHS, the DHS lists potential reasons that request may not be granted:
 * "The records maintained by the Department often contain private information on individuals or involve law enforcement matters. Because law enforcement records are of specific interest to subjects of investigation, victims of crime, and the public at large, these records are often requested under the Freedom of Information Act. For example, the Department commonly invokes exemptions 6 and 7(C) to prevent unwarranted injury to the privacy interests of individuals, and exemption 7(E) to protect against the disclosure of law enforcement techniques, procedures, and guidelines."

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Subagencies

 * Directorate for National Protection and Programs
 * Federal Emergency Management Agency
 * Federal Law Enforcement Training Center
 * Headquarters & Privacy Office
 * Office for Civil Rights and Civil Liberties
 * Office of Biometric Identity Management
 * Office of Intelligence & Analysis
 * Office of the Inspector General
 * Science & Technology Directorate
 * Transportation Security Administration
 * U.S. Citizenship & Immigration Services
 * U.S. Coast Guard
 * U.S. Customs & Border Protection
 * U.S. Immigration & Customs Enforcement
 * United States Secret Service