Since Donald Trump's victory two weeks ago, some people are worried about one of his main campaign promises — to launch the largest deportation operation in American history. What does that really mean, and how feasible is it that it will happen at the scale the president-elect is promising?

This week, NY1's Errol Louis spoke to three experts — Lee Gelernt, the deputy director of the American Civil Liberties Union Immigrants' Rights Project; Elora Mukerjee, director of Columbia Law School's Immigrants' Rights Clinic; and Luis Gomez Alfaro, an attorney in New York and New Jersey, with extensive experience in immigration law — about what Trump can truly do legally. They also discuss the possibility of ending birthright citizenship, what will be happening at the border and the impact Trump's plans will have on millions across the country. And they provided some specific, practical information for immigrants who are worried about being detained.

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