But lawyers and immigrant advocates warned that the administration’s plan was on shaky legal ground and that some immigrants may be afraid to comply.

The Trump administration is creating a registry for all people who are in the U.S. illegally, and those who don’t self-report could face fines or prosecution.

Undocumented immigrants age 14 or older must register and provide fingerprints or face a fine or even imprisonment under new Trump administration plans announced Tuesday. The big picture: Homeland Security Secretary Kristi Noem announced the escalation in the administration's crackdown on undocumented immigrants that she vowed the administration would enforce.