Here's what we know so far about ICE enforcement operations in the wake of several immigration-related executive orders Trump signed.

Immigrants and advocacy groups nationwide are scrambling to prepare for the waves of raids President Trump has promised under his plan to deport millions of people unauthorized to stay in the U.S. Why it matters: Confusion and persistent rumors about how the raids will be carried out — and what will happen to those detained by immigration agents — are leading some anxious immigrants to refuse to go to work or send their children to schools,