The Pentagon expects to send 1,500 troops to the nation's borders with Canada and Mexico to assist Customs and Border Protection operations.
The Trump administration deport about 250 Mexicans a week on flights from Tucson, Arizona, to Guadalajara, over 1,000 miles from the border.
U.S. Immigration and Customs Enforcement arrested fewer people during the 2019 budget year than last year, in part because resources were shifted to help handle the massive surge of migrants at the U.S.-Mexico border, the agency said Wednesday.
Migrants seeking asylum at the US-Mexico border dilemma: Cross illegally or follow government instructions to stay in Mexico, meaning a months-long wait.
Border apprehension numbers fell 28 percent in June, partly due to a recent crackdown, but also because of soaring summer temperatures.
Migrants can now only request asylum in the U.S. if they can show proof that their asylum request was denied by a third country while en route to America; that third country is usually Mexico.
The federal government has chosen a military base in Oklahoma as the location for a new temporary shelter to house migrant children.
Border Patrol agents dropped off asylum-seeking migrants in New Mexico's second most populous city for the second day in a row Saturday, prompting Las Cruces city officials to appeal for donations of food and personal hygiene items and a state medical program to seek volunteers to provide health assessments of migrants.
Amid record numbers of apprehensions, President Donald Trump threatened to close the southern border in a tweet for the third time since Thanksgiving.
Eight immigrant families demanded millions of dollars in damages Monday from the Trump administration for separating them.