Immigration emerges as key 2024 wedge issue for Trump, vulnerability for Biden

Immigration, one of the most politically divisive and complex matters in the U.S., is emerging as a top issue in the 2024 election.

Immigration, one of the most politically divisive and complex matters in the U.S. for decades, is emerging as a top issue in the 2024 election.

Look no further than Iowa and New Hampshire, two early-voting states thousands of miles from the southwest border.

Voters there ranked immigration nearly as important as the economy when asked which issue mattered most in deciding how to vote in the Republican presidential contests.

"I think overall the most important thing to me is securing the borders, national security," Bill Collins of Bedford, New Hampshire, told ABC News at a polling place on Tuesday.