A range of federal agencies conducted "enhanced targeted operations" in Chicago Sunday "to enforce U.S. immigration law and preserve public safety," a spokesperson for Immigration and Customs Enforcement said.

Secretary of Homeland Security Kristi Noem was in New York as immigration raids occurred. At least four people were taken into custody, according to sources. CBS News' Jason Allen reports on deportation flights,

The incident illustrates the climate of fear permeating the country as Trump readies ICE and other federal authorities to carry out his plan for mass deportations.

When it comes to immigration, which normally falls under the Department of Homeland Security, Kristi Noem would take direction from two other people, sources tell NBC News.

The North Texas-based TV host was embedded with U.S. immigration enforcement officers during an operation in Chicago Sunday.

DHS Secretary Noem rode alongside federal agents targeting a high-profile Venezuelan gang member during immigration enforcement in the Bronx.

The Trump administration authorized federal immigration authorities to target schools and churches, revoking a policy that barred arrests in "sensitive" areas, DHS said.

Homeland Security Secretary Kristi Noem joined federal agents in New York City to announce the arrests of immigrants wanted on criminal charges.

Heavily armed federal agents swept through the Big Apple early Tuesday for the first deportation raids under President Trump’s crackdown — nabbing violent illegal immigrants including kidnappers

New Mexico Republicans are trying to force state officials to comply with President Donald Trump's mass deportation plans, if needed.