'Shadow surge' strains immigration enforcement by shifting work to local police
A Marshall Project analysis of ICE data finds arrests rising to record levels as federal authorities rely more on state and local partnerships and quieter tactics.
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ICE arrests rose to their highest levels in August even as national headlines about mass raids faded.
Federal authorities increased use of agreements with state and local law enforcement — more than 2,000 such agreements exist — shifting many stops to routine policing contexts.
The administration changed leadership and direction to favor results without high-profile operations, using deputized local officers to carry out immigration arrests.
Less visible than last year's headline-grabbing immigration raids, a quieter enforcement strategy has pushed ICE arrests to new highs. A Marshall Project reporter who analyzed ICE data obtained by the Deportation Data Project at UC Berkeley and UCLA describes this shift as a "shadow surge": federal authorities relying on state and local police to do much of the routine arrest work, often without the publicity that accompanied earlier mass operations.
Instead of federal agents leading major sweep operations, many arrests happen after routine interactions with local police. Agreements and deputizations allow state highway patrols, county sheriff's deputies, and other local officers to stop people and transfer them to ICE custody. Those same practices can make it difficult for community members and reporters to tell whether a traffic stop or other routine police contact might lead to immigration enforcement.
- Arrests increased sharply across the country: more than double in 15 states and Washington, D.C. The highest level of arrests recorded was in August.
- Over 2,000 formal agreements exist between federal immigration authorities and state or local agencies to carry out immigration stops.
- Florida: State Highway Patrol officers have handed thousands of immigrants stopped for minor traffic offenses to ICE.
- Butler County, Ohio: One sheriff's department deputized and trained 44 deputies to do ICE-style arrests — a quarter of that department's force.
Policy and public response implications
The quieter enforcement approach reduces the visibility of deportation actions while increasing the reach of immigration enforcement into everyday policing. That shift changes how immigrant communities experience enforcement and complicates public oversight: routine stops by local officers can now lead to federal immigration custody, and the overall rise in arrests has happened with less national media attention than earlier mass operations.
Watch for further changes in the number of local-federal agreements, shifts in state-level policies that expand or limit cooperation with ICE, and any reporting that distinguishes the criminal history of those arrested versus the broader rise in stop-to-arrest practices.
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