President Donald Trump’s “big, beautiful bill” will pump tens of billions of dollars into law enforcement, delivering an unprecedented bonanza for the agencies behind the US administration’s crackdown on undocumented immigrants.

As part of the so-called “ Big, Beautiful Bill” passed Thursday, Congress appropriated approximately $170 billion to fund the construction of new immigration detention centers, an increased budget for Immigrations and Customs Enforcement and the Department of Homeland Security and additions to Trump’s U.S.-Mexico border wall.

Get all the news you need in your inbox each morning. Administration officials say bold tactics are needed to repel what they call an "invasion" of immigrants in the country illegally. But policing experts say the aggressive approach is provoking unnecessarily dangerous encounters.