Trump 'smart wall' uses steel fencing and advanced border surveillance
发布时间:2026-08-25 | 浏览:1
World SECTIONS Iran war Russia-Ukraine war Español China Asia Pacific Latin America Europe Africa TOP STORIES Trump's 'economic D-Day' threats become warnings for countries to sever financial ties with Iran Iran warns of a harsh response as US announces new sanctions and other Middle East news Deportees who refused to exit a US flight in Liberia are sent to Equatorial Guinea Newsletters The Afternoon Wire Our personalization engine sends you what you may have missed throughout the day. The Morning Wire Our flagship newsletter breaks down the biggest headlines of the day. See All Newsletters
Trump's 'economic D-Day' threats become warnings for countries to sever financial ties with Iran
Iran warns of a harsh response as US announces new sanctions and other Middle East news
Deportees who refused to exit a US flight in Liberia are sent to Equatorial Guinea
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Firefighters make progress against a Nevada wildfire that's destroyed more than 30 homes
8-year-old Louisiana girl dies from a rare brain-eating amoeba found in warm freshwater
Police find the body of Karen Solomon, who was sought in the killing of her police officer husband
Politics SECTIONS 2026 Elections Election Results Election calendar White House Congress Supreme Court The latest AP-NORC polls TOP STORIES Canada to announce retaliatory tariffs as Trump tells its leaders to ‘fall in line’ Supreme Court sides with Trump administration on mail voting restrictions ahead of midterms US set for largest mass visa revocation in history targeting up to 200,000 foreigners, officials say Newsletters Ground Game Your guide to the biggest stories in politics, policy and U.S. elections. See All Newsletters
Canada to announce retaliatory tariffs as Trump tells its leaders to ‘fall in line’
Supreme Court sides with Trump administration on mail voting restrictions ahead of midterms
US set for largest mass visa revocation in history targeting up to 200,000 foreigners, officials say
Sports SECTIONS NFL College football Top 25 Poll MLB NBA WNBA Soccer Tennis TOP STORIES Deshaun Watson named Cleveland Browns' starting quarterback over Shedeur Sanders Enes Kanter Freedom and Royce White are not eligible for the WNBA draft, AP source says 49ers owner Jed York pleads no contest to two misdemeanor charges in Ohio Newsletters AP Top 25 Poll Alerts Get email alerts for every college football Top 25 Poll release. The Sports Wire Get AP’s in-depth sports reporting tailored to your interests. See All Newsletters
Deshaun Watson named Cleveland Browns' starting quarterback over Shedeur Sanders
Enes Kanter Freedom and Royce White are not eligible for the WNBA draft, AP source says
49ers owner Jed York pleads no contest to two misdemeanor charges in Ohio
Entertainment SECTIONS Movies Fashion Television Celebrity Interviews Music Books TOP STORIES Shelley Fabares, 'Johnny Angel' singer and actor in ‘The Donna Reed Show’ and ‘Coach,’ dies at 82 ‘Spider-Man’ tops box office in fourth weekend; ‘The Odyssey’ becomes Nolan’s highest-grossing film Celebrity birthdays for the week of June 25-July 1 Newsletters AP Entertainment Wire AP’s entertainment, media, fashion and culture coverage, personalized to your interests. See All Newsletters
Shelley Fabares, 'Johnny Angel' singer and actor in ‘The Donna Reed Show’ and ‘Coach,’ dies at 82
‘Spider-Man’ tops box office in fourth weekend; ‘The Odyssey’ becomes Nolan’s highest-grossing film
Celebrity birthdays for the week of June 25-July 1
Business SECTIONS Tariffs Inflation Financial Markets Financial Wellness Technology TOP STORIES Wall Street drifts at the start of a week that could swing stocks and bonds From honey to hockey sticks, Trump's trade war with Canada hikes tariffs on a long list of goods
Wall Street drifts at the start of a week that could swing stocks and bonds
From honey to hockey sticks, Trump's trade war with Canada hikes tariffs on a long list of goods
Fact Check TOP STORIES FACT FOCUS: Census Bureau report does not prove Trump's claim about noncitizen voting in 2020 False claim of human meat in McDonald’s factories stems from old hoax FACT FOCUS: Social media falsely claims heat wave threatens Parmigiano Reggiano cheese and bank FACT FOCUS: Trump boasts about the economy but there's more to the story Video of Kamala Harris saying ‘today is today’ was altered George Floyd’s autopsy report is not new, does not say he died of an overdose
FACT FOCUS: Census Bureau report does not prove Trump's claim about noncitizen voting in 2020
False claim of human meat in McDonald’s factories stems from old hoax
FACT FOCUS: Social media falsely claims heat wave threatens Parmigiano Reggiano cheese and bank
FACT FOCUS: Trump boasts about the economy but there's more to the story
Video of Kamala Harris saying ‘today is today’ was altered
George Floyd’s autopsy report is not new, does not say he died of an overdose
Oddities TOP STORIES Capybaras keep their chill while crashing Brazilian legislature A humpback whale briefly swallows kayaker in Chilean Patagonia — and it's all captured on camera Viral phenomenon in Argentina has young people identifying themselves as animals Ghana's fantasy coffins are a colorful celebration of life and legacy A driver faces up to $110,000 in fines for speeding on a Swiss street. But he can afford it Michigan judge wanted Walmart shoplifters to wash cars. His boss stepped on the hose.
Capybaras keep their chill while crashing Brazilian legislature
A humpback whale briefly swallows kayaker in Chilean Patagonia — and it's all captured on camera
Viral phenomenon in Argentina has young people identifying themselves as animals
Ghana's fantasy coffins are a colorful celebration of life and legacy
A driver faces up to $110,000 in fines for speeding on a Swiss street. But he can afford it
Michigan judge wanted Walmart shoplifters to wash cars. His boss stepped on the hose.
Be Well SECTIONS Trending Better health At home Working well For the climate Eating well TOP STORIES As workplace surveillance grows, experts say it's good to know the ways your employer is watching Being a night owl may not be great for your heart but you can do something about it Challenging your brain helps keep it healthy. Here's how to do it
As workplace surveillance grows, experts say it's good to know the ways your employer is watching
Being a night owl may not be great for your heart but you can do something about it
Challenging your brain helps keep it healthy. Here's how to do it
Photography SECTIONS Photo Essays TOP STORIES One photo shows the human and environmental dimensions of artisanal mining in Congo 'Why? Why? Why?' Ukraine's Mariupol descends into despair At the Kaaba during Hajj, a photographer captures sense of unity and devotion Newsletters The World in Pictures Get special access to AP's most compelling images from our global team of photojournalists. See All Newsletters
One photo shows the human and environmental dimensions of artisanal mining in Congo
'Why? Why? Why?' Ukraine's Mariupol descends into despair
At the Kaaba during Hajj, a photographer captures sense of unity and devotion
AP Investigations
Climate SECTIONS Indigenous peoples and climate Climate Questions Climate Migration India Focus TOP STORIES The world inches toward catastrophic climate events: 'Bigger shocks are on the way' Earth is simmering in its hottest water temps on record, and that's bad for fish and us Move over bears. Fat Marmot Week puts a spotlight on the alpine rodents
The world inches toward catastrophic climate events: 'Bigger shocks are on the way'
Earth is simmering in its hottest water temps on record, and that's bad for fish and us
Move over bears. Fat Marmot Week puts a spotlight on the alpine rodents
Health TOP STORIES Being a night owl may not be great for your heart but you can do something about it As the Clancy case highlights postpartum psychosis, a mom stricken by it shares her story of hope Challenging your brain helps keep it healthy. Here's how to do it Mobility tests can tell doctors a lot about how you're aging, but there are many other factors Drug prices have declined sharply, and Trump is taking credit. The reason behind the drop is complex Tanning is getting hot again. Here's what it really does to your skin
Being a night owl may not be great for your heart but you can do something about it
As the Clancy case highlights postpartum psychosis, a mom stricken by it shares her story of hope
Challenging your brain helps keep it healthy. Here's how to do it
Mobility tests can tell doctors a lot about how you're aging, but there are many other factors
Drug prices have declined sharply, and Trump is taking credit. The reason behind the drop is complex
Tanning is getting hot again. Here's what it really does to your skin
Tech SECTIONS Artificial Intelligence Social Media TOP STORIES Beijing's first World Humanoid Robot Games open with hip-hop and martial arts Meta defends its child safety efforts but critics say the social media giant falls short Jury finds Instagram and YouTube liable in a landmark social media addiction trial
Beijing's first World Humanoid Robot Games open with hip-hop and martial arts
Meta defends its child safety efforts but critics say the social media giant falls short
Jury finds Instagram and YouTube liable in a landmark social media addiction trial
Lifestyle SECTIONS Food & Recipes Gardening Fashion Homes Travel Pets TOP STORIES What’s in a name? Why naming storms, military operations and medical maladies matters How to make crispy Buffalo chicken tacos with collard slaw and a protein-packed ranch dressing Pulling from ancient cooling principles, the 'swamp cooler' remains important today
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How to make crispy Buffalo chicken tacos with collard slaw and a protein-packed ranch dressing
Pulling from ancient cooling principles, the 'swamp cooler' remains important today
Religion TOP STORIES Texas barbecue is getting a halal makeover Israelis worry about weakening connection with younger Jewish Americans Pope Leo calls for dialogue over conflict, says young Catholics are a sign of hope Newsletters World of Faith Comprehensive global coverage of how religion shapes our world. See All Newsletters
Texas barbecue is getting a halal makeover
Israelis worry about weakening connection with younger Jewish Americans
Pope Leo calls for dialogue over conflict, says young Catholics are a sign of hope
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Se acerca eclipse lunar casi total, con América en posición ideal
China pospone abruptamente el ambicioso lanzamiento de misión lunar Chang’e-7
Kushner se reúne con el líder demócrata Jeffries mientras el control de la cámara está en juego
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Politics 2026 Elections Election Results Election calendar White House Congress Supreme Court The latest AP-NORC polls
Election Results
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College football
Entertainment Movies Fashion Television Celebrity Interviews Music Books
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Business Tariffs Inflation Financial Markets Financial Wellness Technology
Financial Markets
Financial Wellness
Science Space Animals The Ancient World Climate Medicine
The Ancient World
Be Well Trending Better health At home Working well For the climate Eating well
For the climate
Photography Photo Essays
AP Investigations
Climate Indigenous peoples and climate Climate Questions Climate Migration India Focus
Indigenous peoples and climate
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World SECTIONS Iran war Russia-Ukraine war Español China Asia Pacific Latin America Europe Africa TOP STORIES Trump's 'economic D-Day' threats become warnings for countries to sever financial ties with Iran Iran warns of a harsh response as US announces new sanctions and other Middle East news Deportees who refused to exit a US flight in Liberia are sent to Equatorial Guinea Newsletters The Afternoon Wire Our personalization engine sends you what you may have missed throughout the day. The Morning Wire Our flagship newsletter breaks down the biggest headlines of the day. See All Newsletters
Trump's 'economic D-Day' threats become warnings for countries to sever financial ties with Iran
Iran warns of a harsh response as US announces new sanctions and other Middle East news
Deportees who refused to exit a US flight in Liberia are sent to Equatorial Guinea
U.S. SECTIONS Immigration Weather Education Transportation Abortion LGBTQ+ Notable Deaths America at 250 TOP STORIES Firefighters make progress against a Nevada wildfire that's destroyed more than 30 homes 8-year-old Louisiana girl dies from a rare brain-eating amoeba found in warm freshwater Police find the body of Karen Solomon, who was sought in the killing of her police officer husband Newsletters The Afternoon Wire Our personalization engine sends you what you may have missed throughout the day. See All Newsletters AP QUIZZES Weekly News Quiz
Firefighters make progress against a Nevada wildfire that's destroyed more than 30 homes
8-year-old Louisiana girl dies from a rare brain-eating amoeba found in warm freshwater
Police find the body of Karen Solomon, who was sought in the killing of her police officer husband
Politics SECTIONS 2026 Elections Election Results Election calendar White House Congress Supreme Court The latest AP-NORC polls TOP STORIES Canada to announce retaliatory tariffs as Trump tells its leaders to ‘fall in line’ Supreme Court sides with Trump administration on mail voting restrictions ahead of midterms US set for largest mass visa revocation in history targeting up to 200,000 foreigners, officials say Newsletters Ground Game Your guide to the biggest stories in politics, policy and U.S. elections. See All Newsletters
Canada to announce retaliatory tariffs as Trump tells its leaders to ‘fall in line’
Supreme Court sides with Trump administration on mail voting restrictions ahead of midterms
US set for largest mass visa revocation in history targeting up to 200,000 foreigners, officials say
Sports SECTIONS NFL College football Top 25 Poll MLB NBA WNBA Soccer Tennis TOP STORIES Deshaun Watson named Cleveland Browns' starting quarterback over Shedeur Sanders Enes Kanter Freedom and Royce White are not eligible for the WNBA draft, AP source says 49ers owner Jed York pleads no contest to two misdemeanor charges in Ohio Newsletters AP Top 25 Poll Alerts Get email alerts for every college football Top 25 Poll release. The Sports Wire Get AP’s in-depth sports reporting tailored to your interests. See All Newsletters
Deshaun Watson named Cleveland Browns' starting quarterback over Shedeur Sanders
Enes Kanter Freedom and Royce White are not eligible for the WNBA draft, AP source says
49ers owner Jed York pleads no contest to two misdemeanor charges in Ohio
Entertainment SECTIONS Movies Fashion Television Celebrity Interviews Music Books TOP STORIES Shelley Fabares, 'Johnny Angel' singer and actor in ‘The Donna Reed Show’ and ‘Coach,’ dies at 82 ‘Spider-Man’ tops box office in fourth weekend; ‘The Odyssey’ becomes Nolan’s highest-grossing film Celebrity birthdays for the week of June 25-July 1 Newsletters AP Entertainment Wire AP’s entertainment, media, fashion and culture coverage, personalized to your interests. See All Newsletters
Shelley Fabares, 'Johnny Angel' singer and actor in ‘The Donna Reed Show’ and ‘Coach,’ dies at 82
‘Spider-Man’ tops box office in fourth weekend; ‘The Odyssey’ becomes Nolan’s highest-grossing film
Celebrity birthdays for the week of June 25-July 1
Business SECTIONS Tariffs Inflation Financial Markets Financial Wellness Technology TOP STORIES Wall Street drifts at the start of a week that could swing stocks and bonds From honey to hockey sticks, Trump's trade war with Canada hikes tariffs on a long list of goods
Wall Street drifts at the start of a week that could swing stocks and bonds
From honey to hockey sticks, Trump's trade war with Canada hikes tariffs on a long list of goods
Fact Check TOP STORIES FACT FOCUS: Census Bureau report does not prove Trump's claim about noncitizen voting in 2020 False claim of human meat in McDonald’s factories stems from old hoax FACT FOCUS: Social media falsely claims heat wave threatens Parmigiano Reggiano cheese and bank FACT FOCUS: Trump boasts about the economy but there's more to the story Video of Kamala Harris saying ‘today is today’ was altered George Floyd’s autopsy report is not new, does not say he died of an overdose
FACT FOCUS: Census Bureau report does not prove Trump's claim about noncitizen voting in 2020
False claim of human meat in McDonald’s factories stems from old hoax
FACT FOCUS: Social media falsely claims heat wave threatens Parmigiano Reggiano cheese and bank
FACT FOCUS: Trump boasts about the economy but there's more to the story
Video of Kamala Harris saying ‘today is today’ was altered
George Floyd’s autopsy report is not new, does not say he died of an overdose
Oddities TOP STORIES Capybaras keep their chill while crashing Brazilian legislature A humpback whale briefly swallows kayaker in Chilean Patagonia — and it's all captured on camera Viral phenomenon in Argentina has young people identifying themselves as animals Ghana's fantasy coffins are a colorful celebration of life and legacy A driver faces up to $110,000 in fines for speeding on a Swiss street. But he can afford it Michigan judge wanted Walmart shoplifters to wash cars. His boss stepped on the hose.
Capybaras keep their chill while crashing Brazilian legislature
A humpback whale briefly swallows kayaker in Chilean Patagonia — and it's all captured on camera
Viral phenomenon in Argentina has young people identifying themselves as animals
Ghana's fantasy coffins are a colorful celebration of life and legacy
A driver faces up to $110,000 in fines for speeding on a Swiss street. But he can afford it
Michigan judge wanted Walmart shoplifters to wash cars. His boss stepped on the hose.
Be Well SECTIONS Trending Better health At home Working well For the climate Eating well TOP STORIES As workplace surveillance grows, experts say it's good to know the ways your employer is watching Being a night owl may not be great for your heart but you can do something about it Challenging your brain helps keep it healthy. Here's how to do it
As workplace surveillance grows, experts say it's good to know the ways your employer is watching
Being a night owl may not be great for your heart but you can do something about it
Challenging your brain helps keep it healthy. Here's how to do it
Photography SECTIONS Photo Essays TOP STORIES One photo shows the human and environmental dimensions of artisanal mining in Congo 'Why? Why? Why?' Ukraine's Mariupol descends into despair At the Kaaba during Hajj, a photographer captures sense of unity and devotion Newsletters The World in Pictures Get special access to AP's most compelling images from our global team of photojournalists. See All Newsletters
One photo shows the human and environmental dimensions of artisanal mining in Congo
'Why? Why? Why?' Ukraine's Mariupol descends into despair
At the Kaaba during Hajj, a photographer captures sense of unity and devotion
AP Investigations
Climate SECTIONS Indigenous peoples and climate Climate Questions Climate Migration India Focus TOP STORIES The world inches toward catastrophic climate events: 'Bigger shocks are on the way' Earth is simmering in its hottest water temps on record, and that's bad for fish and us Move over bears. Fat Marmot Week puts a spotlight on the alpine rodents
The world inches toward catastrophic climate events: 'Bigger shocks are on the way'
Earth is simmering in its hottest water temps on record, and that's bad for fish and us
Move over bears. Fat Marmot Week puts a spotlight on the alpine rodents
Health TOP STORIES Being a night owl may not be great for your heart but you can do something about it As the Clancy case highlights postpartum psychosis, a mom stricken by it shares her story of hope Challenging your brain helps keep it healthy. Here's how to do it Mobility tests can tell doctors a lot about how you're aging, but there are many other factors Drug prices have declined sharply, and Trump is taking credit. The reason behind the drop is complex Tanning is getting hot again. Here's what it really does to your skin
Being a night owl may not be great for your heart but you can do something about it
As the Clancy case highlights postpartum psychosis, a mom stricken by it shares her story of hope
Challenging your brain helps keep it healthy. Here's how to do it
Mobility tests can tell doctors a lot about how you're aging, but there are many other factors
Drug prices have declined sharply, and Trump is taking credit. The reason behind the drop is complex
Tanning is getting hot again. Here's what it really does to your skin
Tech SECTIONS Artificial Intelligence Social Media TOP STORIES Beijing's first World Humanoid Robot Games open with hip-hop and martial arts Meta defends its child safety efforts but critics say the social media giant falls short Jury finds Instagram and YouTube liable in a landmark social media addiction trial
Beijing's first World Humanoid Robot Games open with hip-hop and martial arts
Meta defends its child safety efforts but critics say the social media giant falls short
Jury finds Instagram and YouTube liable in a landmark social media addiction trial
Lifestyle SECTIONS Food & Recipes Gardening Fashion Homes Travel Pets TOP STORIES What’s in a name? Why naming storms, military operations and medical maladies matters How to make crispy Buffalo chicken tacos with collard slaw and a protein-packed ranch dressing Pulling from ancient cooling principles, the 'swamp cooler' remains important today
What’s in a name? Why naming storms, military operations and medical maladies matters
How to make crispy Buffalo chicken tacos with collard slaw and a protein-packed ranch dressing
Pulling from ancient cooling principles, the 'swamp cooler' remains important today
Religion TOP STORIES Texas barbecue is getting a halal makeover Israelis worry about weakening connection with younger Jewish Americans Pope Leo calls for dialogue over conflict, says young Catholics are a sign of hope Newsletters World of Faith Comprehensive global coverage of how religion shapes our world. See All Newsletters
Texas barbecue is getting a halal makeover
Israelis worry about weakening connection with younger Jewish Americans
Pope Leo calls for dialogue over conflict, says young Catholics are a sign of hope
Español SECTIONS Política de EEUU Deportes TOP STORIES Se acerca eclipse lunar casi total, con América en posición ideal China pospone abruptamente el ambicioso lanzamiento de misión lunar Chang’e-7 Kushner se reúne con el líder demócrata Jeffries mientras el control de la cámara está en juego
Se acerca eclipse lunar casi total, con América en posición ideal
China pospone abruptamente el ambicioso lanzamiento de misión lunar Chang’e-7
Kushner se reúne con el líder demócrata Jeffries mientras el control de la cámara está en juego
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Russia-Ukraine war
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The Ancient World
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For the climate
Photography Photo Essays
AP Investigations
Climate Indigenous peoples and climate Climate Questions Climate Migration India Focus
Indigenous peoples and climate
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Climate Migration
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Trump administration’s $46 billion ‘smart wall’ races ahead on the US-Mexico border
Surveillance technology used by various law enforcement sit on a tower at the border wall, July 28, 2025, in Douglas, Ariz. (AP Photo/Ross D. Franklin, File)
Army soldiers look at the border wall next to a surveillance vehicle during the visit to the U.S. and Mexico border by Defense Secretary Pete Hegseth in Sunland Park, N.M., Feb. 3, 2025. (AP Photo/Andres Leighton, File)
Concertina wire lines the interior of a border wall separating Tijuana, Mexico, from the United States, June 4, 2025, in San Diego. (AP Photo/Gregory Bull, File)
Migrants walk past large buoys being used as a floating border barrier on the Rio Grande, Aug. 1, 2023, in Eagle Pass, Texas. (AP Photo/Eric Gay, File)
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PHOENIX (AP) — For decades, all that separated the U.S. from Mexico was barbed wire.
Now, after a massive infusion of cash from Congress , President Donald Trump’s administration is swiftly building what it has dubbed a “smart wall,” a combination of 30-foot-tall (9-meter-tall) steel fencing and an array of sophisticated technology like sensors, cameras and towers allowing Border Patrol to surveil the territory.
The wall is under heavy scrutiny for the billions of dollars being dedicated to it when border crossings are at their lowest in decades. Critics say the U.S. is militarizing the border as it increasingly deploys sophisticated surveillance technology to the area, impacting local communities.
“We are seeing a massive expansion of surveillance and surveillance technology across the borderlands,” said Ricky Garza, border policy counsel at the Southern Border Communities Coalition, an advocacy group. “The wall in all its forms is harmful to communities.”
Officials say the technology is complementary to the physical wall and frees up agents for other tasks.
“It’s a smart wall. It’s not just a barrier,” Customs and Border Protection Commissioner Rodney Scott said during recent congressional testimony. “It maximizes the use of our most valuable resource, which is our agents.”
Commissioner of U.S. Customs and Border Protection Rodney Scott speaks in the Oval Office with President Donald Trump a the White House, June 3, 2026, in Washington. (AP Photo/Alex Brandon, File)
Contracts for hundreds of miles of wall already inked
The wall has been a top priority for Trump, a Republican, since he first ran for president.
During the administration of President Joe Biden, a Democrat, the border emerged as a flashpoint, with thousands of people seeking to cross into the country each day. Those numbers started to taper off shortly before Trump returned to office last year and then slowed to a trickle , with his broader immigration crackdown serving as a deterrent for would-be migrants.
Flush with $46 billion to finish the wall after an infusion by Congress for immigration enforcement, CBP is inking tens of billions of dollars in contracts to build the wall and push along the president’s signature project.
Homeland Security Secretary Markwayne Mullin said recently that a preliminary part of the wall will be finished by “this time next year.” Scott said his agency is putting up 6 miles (10 kilometers) of wall a week.
Hundreds of miles had already been built before Trump returned to office. As of mid-June 2026, CBP has erected another 74 miles (119 kilometers) and aims to build hundreds more. There is no wall planned for roughly 535 miles (861 kilometers) of the roughly 2,000-mile-long (3,200-kilometer-long) border, because rugged terrain already serves as a barrier. Ground sensors and towers will be used instead.
CBP is also going back to hundreds of miles of already built wall and adding more technology, lights and roads. Along the long stretches of river in Texas that mark the border with Mexico, they’re deploying 12- to 15-foot-long (3.7- to 4.5-meter-long) cylinder-shaped buoys meant to keep migrants or smugglers from crossing the border.
Concertina wire lines the interior of a border wall separating Tijuana, Mexico, from the United States, June 4, 2025, in San Diego. (AP Photo/Gregory Bull, File)
More technology being deployed on the border
Technology is playing a greater role in the Trump administration’s effort to make illegal crossings along the border more difficult, part of a broader transformation of CBP in the years since Sept. 11, 2001, into an intelligence operation with a mass surveillance network whose reach extends far beyond the nation’s frontiers, according to reporting by The Associated Press .
And critics say the border technology poses a threat.
The Southern Border Communities Coalition says surveillance technologies can push migrants into more dangerous routes to avoid being detected.
Garza, the group’s policy counsel, warned that surveillance technology infringes on the privacy rights of border residents and that locals have found ground sensors used to detect smuggler or migrant traffic placed on their property without their consent.
Nayda Alvarez and her relatives own land along the Rio Grande roughly 125 miles (200 kilometers) inland from the Gulf of Mexico. She has found cameras placed on her family’s land, and just last week she spotted a surveillance tower about a quarter of a mile (almost half a kilometer) down the river from her house.
“Are we expecting a war or something?” she said. “It doesn’t make me feel safer.”
Surveillance technology used by various law enforcement sit on a tower at the border wall, July 28, 2025, in Douglas, Ariz. (AP Photo/Ross D. Franklin, File)
Dave Maass, director of investigations for the Electronic Frontier Foundation , a nonprofit that focuses on civil liberties related to digital technology, said the technology has made the border area “a hostile environment” for locals and would-be migrants.
The foundation has published a guide on the various types of surveillance towers in use along the southern border designed to help local residents.
These can range from fixed towers with video, infrared and radar technologies that have a range of roughly 8 miles (13 kilometers) to remote video surveillance systems that have cameras and a spotlight fixed on top. Some are mounted on the backs of trucks so agents can drive them to different parts of the border.
Increasingly, these towers are autonomous. They can scan an area, analyze what they’re seeing using artificial intelligence and alert Border Patrol agents to something suspicious. Proponents say this helps keep Border Patrol agents out in the field instead of sitting in front of computer screens watching for activity. But it also increases AI decision-making along the border when experts have warned about the technology’s potential for bias or other problems.
The big GOP tax cuts and spending bill passed by Congress last summer requires that CBP buys only the autonomous towers, and the department is deploying an additional 95.
Underground, buried fiberoptic cables can sense movement, capturing data that is also then analyzed by AI.
“We follow the contour of the land. We go through trees. We go down into the river banks. We can go absolutely everywhere,” said Magnus McEwen-King, CEO of Sintela, which has a contract with CBP to install the cables. He spoke at a recent border security expo in Phoenix, where some of the technology was on display.
CBP also uses ground sensors and trail cameras to detect smuggling routes.
Migrants walk past large buoys being used as a floating border barrier on the Rio Grande, Aug. 1, 2023, in Eagle Pass, Texas. (AP Photo/Eric Gay, File)
Concerns over cost and future plans
The nonpartisan watchdog group Taxpayers for Common Sense has questioned both the huge amounts of money for the wall-building and whether taxpayers are getting their money’s worth.
In 2011, under Democratic President Barack Obama, Homeland Security Secretary Janet Napolitano pulled the plug on a project to build a “virtual wall” of integrated technology like radars, sensors and cameras across the entire border after it ran over budget, faced technological glitches and was behind schedule.
Josh Sewell, director of research and policy at Taxpayers for Common Sense, said the organization would like to see more “robust evaluation” of the technologies being used to avoid similar scenarios. And he criticized the Trump administration for lack of oversight on how the money is being spent, a charge CBP has denied, citing “oversight mechanism.”
In the Big Bend area of southern Texas, opposition to the department’s wall-building plans gathered strong bipartisan support especially in the most sensitive areas that run through a state and national park and a wildlife area.
CBP now says it is not planning to build a 30-foot-high (9-meter-high) bollard wall in those areas. Its recently announced plans include installing patrol roads and some barriers designed to stop cars and using detection technologies.
Clara Benson, who is one of the founders of the No Big Bend Wall coalition , says bright lights in the area designed to illuminate the border could pollute the skies in an area renowned for having some of the best views of the stars. Even without a 30-foot-tall (9-meter-tall) steel wall running through the land, there is concern about CBP’s plans.
“There’s still a lot of fear and dread that the plan is still going to be quite damaging,” she said.