# Domestic Investigations

**Agency:** Homeland Security  
**Account:** Operations and Support  
**Source document:** Immigration and Customs Enforcement · p. 5  
**Vintage:** President's Budget PB2027  
**Canonical URL:** https://hitchintel.com/budget/homeland-security/domestic-investigations  

> **Trust:** parsed from the agency Congressional Justification. Approximate, **not summable**, verify at the cited page.

## Funding ($M)

| Fiscal year | Basis | Amount |
| --- | --- | --- |
| FY2025 | enacted | 2,138.1 |
| FY2026 | CR annualized | 2,138.1 |
| FY2027 | request | 2,270.3 |

The prior-year column is a CR annualized figure, not an enacted appropriation.


## Homeland Security discretionary budget authority (OMB PBDB — authoritative)

FY2027 $91.40B, FY2026 $88.60B. This is the agency total, not a sum of the parsed lines.


## What this funds

Special Agents: HSI Domestic Investigations Special Agents (SAs) support the largest, principal criminal investigative component of DHS in its efforts to investigate and combat TCOs, immigration violators, and other threats to the homeland. Payroll enhanced as a result from the annual compounding of pay raises, the annualization process, and the addition of Law Enforcement pay raise. Operational and Administrative Staff: HSI Domestic Investigations operational and administrative staff provide investigative and mission- enhancing support to ongoing casework via administrative and analytical capabilities that boost Special Agent productivity. Other PC&B Costs: Personnel, Compensation, and Benefits costs for HSI Special Agents include Special Personal Services Payments. Explanation of Non Pay Cost Drivers Fleet/Fuel: Fleet/Fuel supports fuel and general maintenance costs for vehicles and the cost of retrofitting vehicles with tactical radios and safety Special Agents-in-Charge (SAC) Funding: SAC funding covers operational travel, training, small contracts, and supplies for 25 SAC offices. Equipment: Equipment includes vehicles, body worn radios, network related equipment, security equipment, and other equipment required by Special Agents to carry out ICE's Mission. Headquarters Contracts: Headquarters contracts provide support for investigative activities and include, but are not limited to, Title-III contracts, IT infrastructure and program management support, and data analytic support to operations. Other Costs: Other Costs include one-time charges (i.e., furniture, uniforms, phones) to support HSI staff.


**Where it sits:** Civilian / Non-Defense › Homeland Security › Immigration and Customs Enforcement › Operations and Support › Homeland Security Investigations


*HitchAI is an independent intelligence service, not affiliated with the U.S. government. Civilian line dollars are parsed from agency Congressional Justifications and are approximate.*