Arrests at America's southern borders are surging, and the crisis is the worst it has been in decades. According to data released this week from U.S. Customs and Border Protection, border agents made more than 200,000 arrests along the border in March. That is the busiest month in the past twenty years. The United States has made more than one million arrests at the southern border since October 2021. That is the fastest pace of illegal border crossings in at least two decades.