President Joe Biden issued an executive order on his first day in office to reunite families separated under his predecessor's policy of forcibly separating parents and children at the U.S.-Mexico border to discourage illegal immigration.
U.S. authorities stopped migrants 251,487 times along the Mexican border in December.
CBP officers extracted approximately 256 pounds of cocaine worth an estimated value of approximately $4.1 million.
The president walked a muddy stretch of the border and inspected a busy port of entry, but he did not appear to meet with migrants.
About 200 migrants walked for about an hour early Friday to surrender to border agents in Yuma, Arizona.
The Supreme Court is keeping pandemic-era limits on people seeking asylum in place for now, dashing hopes of migrants who have been fleeing violence and inequality.
The Biden administration has been conspicuously silent about how migrants should enter the United States when Trump-era asylum limits end.
The Biden administration is asking the Supreme Court to end asylum restrictions, but requested a delay until at least after Christmas.
The Supreme Court is temporarily blocking an order that would lift pandemic-era restrictions on asylum seekers.
Under former President Donald Trump, about 70,000 asylum-seekers were forced to wait in Mexico for U.S. hearings under the policy introduced in January 2019, which President Joe Biden suspended on his first day in office.
The 38-year-old agent leaves behind two children, but has not been identified.