ABC News followed federal immigration agents in a Denver door-to-door raid of suspected undocumented immigrants.

Homeland Security Investigations (HSI) special agents have arrested two individuals in New Jersey and Hawaii on federal ...

Homeland Security Investigations (HSI), in collaboration with multiple federal and local agencies, arrested several criminal ...

Ahead of Super Bowl LIX and after the Bourbon Street terror attack, officials with Homeland Security Investigations are ...

HSI was the lead agency initially assigned to coordinate security for the Super Bowl, and preparations began about a year ago ...

HSI and ICE officials have recently increased immigration checks at transportation hubs, including ferry terminals. Late last month, nearly 400 individuals were stopped and questioned at the St. John ...

Retired ICE-HSI special agent Victor Avila opens up about the violence from the groups on 'America Reports.' ...

This morning, FHP and our federal partners @HSI_HQ and @ICEgov completed dual operations in Tallahassee, detaining suspected ...

ICE is investing massive sums in facial recognition, data surveillance, e-carceration and other repressive technologies.

Robert Hammer announced on LinkedIn Thursday that he has been appointed deputy executive associate director and acting executive associate director of homeland security investigations at the ...

Editor's note: This story was updated with additional information. Federal law enforcement have begun "targeted immigration enforcement" arrests in El Paso, authorities said. Photos and a video of ...

Border Patrol agents uncovered a man-made tunnel connecting Ciudad Juárez to El Paso early Thursday, equipped with lighting, ventilation, and wood bracing, U.S. Customs and Border Protection ...