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What is the main purpose of the Department of Homeland Security?
Overview: HSI has broad legal authority to conduct federal criminal investigations into the illegal cross-border movement of people, goods, money, technology and other contraband throughout the United States.
What exactly does the Department of Homeland Security do?
The Department of Homeland Security (DHS) works to improve the security of the United States. The Departments work includes customs, border, and immigration enforcement, emergency response to natural and manmade disasters, antiterrorism work, and cybersecurity.
What would homeland security investigate?
Its stated missions involve anti-terrorism, border security, immigration and customs, cyber security, and disaster prevention and management.
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Related links
Apr 7, 2026 The Department of Homeland Securitys overriding and urgent mission is to lead the unified national effort to secure the country andRead more
Apr 30, 2026 HSI is a premier federal law enforcement agency within DHS. We shield our nation from global threats to ensure Americans are safe and secure.Read more