Donald Trump's incoming U.S. presidential administration plans to intensify immigration enforcement nationwide soon after he takes office on Monday, a person with knowledge of the plans said. "We’re going to be doing operations all across the country,

Immigration and Customs Enforcement officials are planning a major enforcement operation that will target immigrants for several days following the inauguration of Donald Trump as president, according to a document reviewed by NBC News and a person familiar with the planning.

The size of the planned immigration raids is unclear, but they would be the opening step in the president-elect’s goal of overseeing the largest deportation program in history.