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 ...

Arvelo, announced the seizure of $39.5 million in counterfeit sports merchandise through Operation Team Player. This year-long, collaborative initiative between Homeland Security Investigations (HSI), ...