Mapping Immigration Enforcement Networks | ICE Encounter

The Enforcement Ecosystem

Immigration enforcement operates as a deeply integrated, complex ecological system - not isolated agency actions. Understanding this network architecture reveals intervention opportunities.

System Layers

┌─────────────────────────────────────────────────┐
│              FEDERAL ENFORCEMENT                │
│     ICE  ←→  CBP  ←→  DOJ  ←→  DHS             │
└───────────────────────┬─────────────────────────┘
                        │
          ┌─────────────┼─────────────┐
          │             │             │
          ▼             ▼             ▼
┌─────────────┐ ┌─────────────┐ ┌─────────────┐
│  287(g)     │ │   Joint     │ │   Data      │
│  Agreements │ │ Task Forces │ │  Sharing    │
└──────┬──────┘ └──────┬──────┘ └──────┬──────┘
       │               │               │
       ▼               ▼               ▼
┌─────────────────────────────────────────────────┐
│            STATE & LOCAL ENFORCEMENT            │
│   Sheriffs  ←→  Police  ←→  Jails  ←→  Courts  │
└───────────────────────┬─────────────────────────┘
                        │
          ┌─────────────┼─────────────┐
          │             │             │
          ▼             ▼             ▼
┌─────────────┐ ┌─────────────┐ ┌─────────────┐
│  Detention  │ │ Surveillance│ │  Logistics  │
│ Contractors │ │   Tech      │ │ Contractors │
└─────────────┘ └─────────────┘ └─────────────┘

Federal Enforcement Network

Core Agencies

Agency	Function	Key Network Connections
ICE	Interior enforcement, detention, deportation	CBP, local jails, detention contractors
CBP	Border enforcement, ports of entry	ICE, local law enforcement, airlines
USCIS	Immigration benefits adjudication	ICE (enforcement referrals), DOS
DOJ/EOIR	Immigration courts	ICE (prosecutors), detention facilities

Inter-Agency Data Sharing

Database/System	Agencies Connected	Data Shared
IDENT/HART	DHS-wide	Biometrics, encounter records
NCIC	FBI, all law enforcement	Warrants, detainers
TECS	CBP, ICE	Border crossing records
ICM	ICE	Case management, detention

Mapping Approach

FOIA requests for inter-agency MOUs and data sharing agreements
Budget analysis tracking funding flows between agencies
Task force mapping identifying joint operations
Personnel tracking noting agency cross-appointments

State & Local Enforcement

287(g) Network Architecture

The 287(g) program transforms local law enforcement into integrated federal enforcement nodes.

Agreement Type	Authority Granted	Network Impact
Jail Enforcement Model	Screen inmates for immigration status	Connects jails to ICE detainer system
Task Force Model	Field officers perform ICE functions	Creates mobile enforcement capacity
Hybrid	Both jail and field authority	Maximum integration

Network Transformation

Before 287(g):

Local Police ──── State Government
                       │
                    (separation)
                       │
                  Federal ICE

After 287(g):

Local Police ◄══════► ICE
      │                 │
      │    (integrated) │
      │                 │
  Database ◄════════► Database

Geographic Coverage

At peak expansion, 287(g) agreements covered approximately 32% of the U.S. population, creating dense surveillance webs across:

Southern border states
Major metropolitan areas
Rural communities with high immigrant populations

Sanctuary as Network Intervention

Sanctuary policies represent deliberate structural interventions to sever enforcement edges:

Sanctuary Provision	Network Effect
Detainer non-compliance	Severs jail-ICE connection
No immigration inquiries	Removes data flow edge
No facility access	Disconnects ICE from local resources
No joint operations	Eliminates task force nodes

Corporate Enforcement Network

Private Detention Operations

Company	Network Position	Annual Revenue
GEO Group	Operates 50%+ of ICE detention beds	$2.4B+
CoreCivic	Second largest detention operator	$1.9B+
Management & Training Corp	Operates multiple ICE facilities	$500M+

Network Dependencies:

Federal contracts (revenue source)
Commercial bank financing (capital)
Public pension fund investments (equity)
Municipal zoning permits (facility expansion)

Surveillance & Data Brokering

Company	Product/Service	Network Function
Palantir	ImmigrationOS platform	Aggregates data across agencies
Clearview AI	Facial recognition	Identifies targets from images
LexisNexis	Data brokering	Sells personal data to ICE
Thomson Reuters	CLEAR database	Criminal/civil records access

Network Dependencies:

Tech talent (recruitment vulnerability)
University contracts (research partnerships)
State privacy legislation (regulatory vulnerability)
Cybersecurity audits (compliance pressure)

Logistics & Transportation

Company	Service	Network Function
CSI Aviation	Deportation flights	Air transport of detainees
Acquisition Logistics	Ground transportation	Transfer between facilities
Various airlines	Commercial deportations	Final leg of deportation

Network Dependencies:

Airport access (public infrastructure)
FAA regulations (compliance)
Public visibility (reputational risk)
Worker organizing (labor pressure)

Political Networks

Legislative Mapping

Network Element	Data Source	Analysis Purpose
Committee membership	Congress.gov	Identify gatekeepers
Bill co-sponsorship	Congress.gov	Map policy alliances
Campaign contributions	FEC, OpenSecrets	Track financial influence
Lobbying records	Senate LDA filings	Corporate-legislator connections

Key Committees

Committee	Jurisdiction	Network Importance
House Judiciary	Immigration law	Primary legislative authority
Senate Judiciary	Immigration law	Confirmation of judges
Appropriations (both)	Agency funding	Budget leverage
Homeland Security (both)	DHS oversight	Operational oversight

Contribution Network Analysis

Track campaign contributions from:

Private prison companies (GEO Group, CoreCivic PACs)
Border security contractors
Tech companies with ICE contracts
Anti-immigrant advocacy groups

Intervention Strategies

Targeting Corporate Dependencies

Target	Vulnerability	Intervention
Commercial banks	Reputational risk	Pressure to stop financing detention
Pension funds	Fiduciary concerns	Divestment campaigns
Tech workers	Values conflict	Employee organizing
Universities	Research ethics	Contract cancellation

Severing Political Connections

Target	Vulnerability	Intervention
Moderate legislators	Electoral pressure	Constituent mobilization
Committee chairs	Procedural leverage	Appropriations amendments
Local officials	Direct accountability	287(g) termination campaigns

Case Study: Divestment Campaigns

Successful campaigns have targeted:

JPMorgan Chase - Stopped financing private prisons
Bank of America - Reduced detention facility financing
California pension funds - Divested from GEO/CoreCivic
University tech contracts - Palantir partnership cancellations

Data Sources for Mapping

Federal Contracting

Source	Data Available
USAspending.gov	All federal contract awards
FPDS	Detailed contract information
SAM.gov	Contractor registrations
GovWin	Contract intelligence

Corporate Relationships

Source	Data Available
SEC filings	Ownership, subsidiaries, contracts
Annual reports	Revenue by segment
Lobbying disclosures	Political connections
OpenSecrets	Campaign contributions

Local Agreements

Source	Data Available
ICE 287(g) list	Active agreements
FOIA requests	MOUs, data sharing agreements
Local ordinances	Sanctuary/cooperation policies
Sheriff campaign records	Political positions

Visualization Strategies

Multi-Layer Network Maps

Show different relationship types in separate layers:

Layer	Nodes	Edges
Federal	Agencies	Data sharing, joint operations
Local	Sheriffs, police	287(g), task forces
Corporate	Contractors	Contracts, subcontracts
Political	Legislators	Co-sponsorship, contributions

Geographic Overlay

Map network density against:

Immigrant population distribution
Enforcement action locations
Sanctuary jurisdiction boundaries
287(g) coverage areas

Temporal Analysis

Track changes over time:

287(g) agreement proliferation/termination
Contract awards/cancellations
Political alliance shifts
Policy change impacts

Ethical Considerations

Protecting Sources

Risk	Mitigation
Retaliation against FOIA requesters	Use organizational, not personal, requests
Identification of insiders	Aggregate information from multiple sources
Chilling effects	Focus on public records and statements

Responsible Disclosure

Information Type	Disclosure Approach
Contractor relationships	Public after verification
Political connections	Cite public records only
Operational details	Consult legal counsel
Individual employees	Generally avoid identification

Implementation Checklist

Data Collection

[ ] Compile federal contract data from USAspending.gov
[ ] Map 287(g) agreements in target region
[ ] Gather corporate SEC filings for major contractors
[ ] Pull campaign contribution data for relevant legislators
[ ] Submit FOIA requests for inter-agency agreements

Analysis

[ ] Build network graph of enforcement relationships
[ ] Calculate centrality metrics for key nodes
[ ] Identify structural vulnerabilities
[ ] Map funding dependencies
[ ] Assess political network positions

Strategic Application

[ ] Prioritize intervention targets based on vulnerability
[ ] Develop campaign strategy for each target
[ ] Coordinate with coalition partners
[ ] Monitor network changes over time

Next Steps

Map advocacy networks to strengthen coalition
Plan network interventions based on analysis
Review ethical considerations for research with vulnerable communities