President Trump’s executive orders this week outline a sweeping agenda, from declaring an invasion at the border to curtailing birthright citizenship. But significant questions remain about what’s next.

Border enforcement agencies have spent billions assembling surveillance tools to track and find people. These could be critical in President Trump’s immigration agenda.

President Donald Trump spent his first week in office bringing the U.S.-Mexico border to the nation’s center stage. NewsNation has tracked what’s happened so far in its special coverage, “Crisis on the Border.