Homeland Security Investigations (HSI)

→ US Immigration and Customs Enforcement (ICE) institution

organizational_division primary since 2003

HSI is the investigative arm of ICE, handling criminal investigations for the agency

→ US Department of Homeland Security (DHS) institution

parent_agency, parent_department primary since 2003

HSI operates under DHS through its ICE division · HSI operates as a component of the U.S. Department of Homeland Security (DHS), responsible for federal criminal investigations.

→ Enhanced Leads Identification & Targeting for Enforcement (ELITE) instrument

operational_system primary since 2020

ELITE system used by HSI for case management and enforcement activities

→ Bureau of Alcohol, Tobacco, Firearms & Explosives (ATF) government agency

law_enforcement_coordination secondary since 2003

Joint operations and information sharing on firearms trafficking investigations

→ US Customs and Border Protection (CBP) government agency

sister_agency, internal partner (ICE/HSI) primary since 2003

Both agencies operate under DHS with complementary border security missions · CBP works closely with HSI (a directorate of ICE) on border-related criminal investigations, including cross-border crime, customs fraud, and human trafficking cases.

→ Federal Bureau of Investigation (FBI) institution

law_enforcement_coordination secondary since 2003

Joint task forces and investigations on transnational crimes and terrorism

→ Tom Homan person

former_leadership primary since 2017

Tom Homan served as Acting Director of U.S. Immigration and Customs Enforcement (ICE), which oversees HSI operations, and previously held senior leadership roles within HSI.

→ Securities and Exchange Commission government agency

regulatory_filing primary since 2025

Homeland Security Investigations (HSI) submitted a filing to the Securities and Exchange Commission (SEC) on 2025-02-25.

→ Anne Milgram person

oversight secondary since 2021

As DEA Administrator, oversees drug enforcement coordination with HSI investigations

← CBP Gateway instrument

potential data sharing / law enforcement partner inferential since 2026

As an investigative arm of ICE that works on border-related crimes, HSI would likely receive data from or share intelligence with a CBP Gateway system for targeting and enforcement operations.

← Office of Biometric Identity Management (OBIM) government agency

operational_link primary since 2005

OBIM provides biometric identification support for HSI investigations into immigration fraud and criminal activities.

← Physicians for Human Rights (PHR) organization

subject_of_investigation inferential since 2025

PHR's finding on decreased patient visits could relate to enforcement actions by HSI under immigration executive orders.

← Office of Personnel Management (OPM) institution

data consumer inferential since 2015

OPM's background investigation data, including biometric information (5.6 million fingerprints), would be accessible to DHS components like HSI through integrated databases.