AP source: Officials may target those who overstay visas

House Judiciary Committee Chair Jerrold Nadler, D-N.Y., joined at right by Ranking Member Doug Collins, R-Ga., confer before a resolution was passed to subpoena special counsel Robert Mueller's full report, on Capitol Hill in Washington, Wednesday, April 3, 2019. (AP Photo/J. Scott Applewhite)
President Donald Trump walks towards the steps of Air Force One at Andrews Air Force Base in Md., Monday, April 15, 2019. Trump is heading to Minnesota for a tax day event. (AP Photo/Susan Walsh)

WASHINGTON — Top administration officials have been discussing ways to increase pressure on countries with high numbers of citizens who overstay short-term visas, as part of President Donald Trump’s growing focus on immigration heading into his re-election campaign.