"The wall is ultimately and very nicely being paid for by Mexico," President Donald Trump claimed.
The president also made the unsubstantiated claim that the migrants had drugs "on their backs."
Democratic Sen. Patrick Leahy branded the bid "an unconstitutional waste of money."
Ann Coulter suggested on Twitter Thursday that President Donald Trump could be following in the footsteps of former President George H.W. Bush by losing a re-election campaign over "broken campaign promises."
"Allowing him to spend money that he took without Congress's approval only incentivizes this lawless behavior," said Jerry Taylor, the president of the Niskanen Center.
President Donald Trump has previously vowed to see at least 450 miles of border wall built before the end of 2020.
Experts say the building of the 30 foot high border wall has depleted groundwater levels in Arizona, putting several endangered and threatened species at further risk of being wiped out.
Strap yourself in, this is going to be one big, wild political week with impeachment, a Democratic debate and averting a government shutdown.
The Pistons, and their opponent the Dallas Mavericks, played the game in Mexico City as part of the NBA's effort to expand basketball across the globe.
"This is yet another federal court weighing in to inform the president that he does not, in fact, have king-like powers," said Protect Democracy Counsel Kristy Parker.
At least 75 percent of people in Mexico also expressed an unfavorable view of Trump himself.
As of November 22, the Trump administration has seen 86 miles of a "border wall system" built.
Jared Kushner has been made the de facto project manager of the construction of 400 miles of Trump's border wall.
"The wall is electrified so that if anyone touches it, we know exactly what's happening. We can be there within minutes."
"So right now, 78 miles have been built, have been built where there was an existing form of barrier," acting Customs and Border Protection commissioner Mark Morgan said.
President Donald Trump's son-in-law and senior adviser Jared Kushner has been "aggressive" in his border wall demands, according to one unnamed official.
The stunt was carried out by Berlin-based pro-democracy nonprofit group Die Offene Gesellschaft.
A controlled border could stop most of the drugs coming north and most of the guns flowing south.
Construction of the border wall may be halted if the Sierra Club wins its appeal hearing expected to begin November 12.
More than half of the residents polled said they oppose additional funding to build more of the southern border wall.
The Washington Post reported that smugglers have been able to saw through President Donald Trump's border wall repeatedly.
The Trump administration has vowed to see at least 450 miles of border wall built before the end of 2020.
During a speech in Pittsburgh, President Trump claimed that US will be building a wall in Colorado. Officials in Colorado—a landlocked state with no borders near Mexican or Canadian borders—were amused by the statement.
After President Trump claimed that "20 world-class mountain climbers" tested his border wall design and could not surmount it, retired engineer Rick Weber built a replica and has invited elite climbers to try for themselves.
"What they were doing was destruction, not construction," said Kevin Dahl, the Arizona senior program manager for the National Parks Conservation Association.
The proposed route of the wall cuts across several national parks, blocking the path of hundreds of animal species and forever altering our cherished landscapes and ecosystems.
President Donald Trump reportedly wanted to use extreme measures to prevent migrants from entering the U.S., including shooting people in the legs to slow them down.
"Privately, the president had often talked about fortifying a border wall with a water-filled trench, stocked with snakes or alligators, prompting aides to seek a cost estimate," a report states.