In an interview with NBC News, Homan also acknowledged that people without criminal records may get caught up as "collateral arrests" in mass deportation raids.

For months, Trump and his team have been looking for ways to bypass the traditional immigration legislative process to close the border and deport millions of undocumented immigrants. But as January 20 draws closer,

The plans largely depend on the resources and funds available to Immigration and Customs Enforcement, which historically has had budget shortfalls.

Tom Homan, President-elect Trump's incoming border czar, said mass deportations of undocumented migrants will include workplace enforcement operations. Homan also said the administration is planning to close the Darien Gap in Panama through which many migrants pass.