Federal enforcement agencies are targeting three U.S. cities per week for large scale immigration arrests, with Aurora, Colorado to come next, three sources familiar with the planning told NBC News.

Federal authorities descended on the Big Apple early Tuesday morning to carry out their first major deportation raids in the city as part of President Trump’s crackdown on illegal immigration. Immigration and Customs Enforcement agents and members of other agencies zeroed in on illegal migrants about a week after Trump was sworn into office.

ICE has take a spotlight role in the wake of plans in Trump's administration for mass deportations. Here's what you need to know about the agency.

EAU CLAIRE, Wis. (WEAU) - WEAU spoke with an immigration lawyer who says it’s not just schools who are concerned about ICE raids. “I’m getting questions from employers, from farmers, how much access do they have? Can they go wherever they want? How long are they gonna be here?” said Chuck Berendes, an attorney who specializes in immigration.

Federal ICE agents launched raids in New York City early Tuesday as part of President Trump’s illegal immigration crackdown, Homeland Security Secretary Kristi Noem said.