President Donald Trump’s promised crackdown on illegal immigration threatens deportation for millions of immigrants living in the U.S. without permission. How would that affect California and the Bay Area?

The Trump administration is powering ahead with efforts to ramp up immigration enforcement, opening up the possibility of targeting migrants who entered through Biden-era programs and invoking an obscure immigration statute to make it easier to deputize state and local law enforcement to arrest and detain immigrants in the U.

The far-reaching move empowers federal immigration agencies to target a population of migrants who came to the U.S. with the government's permission.