An old border wall fence is shown next to the newly constructed wall along the U.S. Mexico border next to Tijuana, east of San Diego, California, U.S., February 2, 2021.
During his four years in office, Trump secured about $15 billion for the project, including $10 billion in redirected U.S. military funds.
Biden, a Democrat, issued an executive order on Jan. 20 - his first day in office - that paused wall construction, saying "a massive wall that spans the entire southern border is not a serious policy solution."
The Biden administration said on Friday that it would use its legal authority to stop any new border wall construction while calling on Congress to redirect existing resources to technology-based border security.
Texas Governor Greg Abbott, a Republican, said on Thursday that his state would build its own border wall, but whether he has the resources and legal authority to do that remains unclear.
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