Since President Donald Trump began his second term, agreements allowing local law enforcement agencies to perform federal immigration duties have surged from 135 in January 2025 to more than 1,000 in September.

The program, known as 287(g) , lets officers from state and local agencies collaborate with ICE under three models. Responsibilities range from questioning immigration status in jails under the jail enforcement model and serving ICE warrants under the warrant service model to making immigration-related arrests under the task force model.

Local agencies pay the costs of participating in exchange for ICE training, limited enforcement powers and, soon, financial incentives from the federal government. A law enforcement agency can sign up under multiple models, depending on wh

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