The Washington Post

Powerful scanners are deployed to stem the flow of fentanyl

Border effort aims to prevent drug from entering the U.S.


nogales, ariz. — The trucks packed with cucumbers, green beans and bananas inched forward in a long, looping line, waiting to come into the United States at the Mariposa port of entry, one of the border’s busiest crossings for Mexican-grown produce.

U.S. inspectors used to refer only a handful of drivers for cargo screening with powerful scanning equipment to check for illegal drugs.

But on a recent morning they routed every truck through a new drive-through machine the size of a carwash. Known as a “multi-energy portal,” the equipment has allowed U.S. Customs and Border Protection to scan nearly six times as much cargo per day.

Constructi­on crews were busy installing a second machine alongside it, racing to finish before peak grape season this spring, when trucks coming from Mexico are expected to roll through with 30 million pounds of fruits and vegetables per day. The harvest is an auspicious time for drug smugglers.

The Nogales crossing is the front line of the government’s beleaguere­d effort to stem the flow of cheap fentanyl into the United States. The synthetic opioid is fueling the most lethal drug epidemic in U.S. history, and last year, Nogales surpassed San Diego to become the southern border’s primary gateway for fentanyl traffickin­g.

U.S. officers have seized more than 21 million fentanyl tablets in the Nogales port of entry over the past five months, more than they did during the entire previous year, according to CBP.

Officers are finding sacks of baby-blue fentanyl pills inside seat cushions, car batteries, even hollowed-out bicycle frames. One pedestrian tried to come through in January wearing a sheaf of tablets that looked like a pair of shorts. Another smuggler jammed 14,000 pills inside the metal frame of a walker. “Fentanyl is so small that they’re hiding it in places that weren’t imaginable before,” said Michael Humphries, CBP’S Nogales port director.

Drug overdoses killed more than 107,000 people in the United States in 2021, the highest total ever, according to the most recent available tallies by the Centers for Disease Control and Prevention. Two-thirds of those deaths were caused by fentanyl. The highly addictive opioid can be prescribed by physicians to treat severe pain, but illegal tablets from Mexico are flooding across the border at powerful and potentiall­y fatal dosage levels.

Mexican drug traffickin­g organizati­ons manufactur­e the pills in clandestin­e labs using chemicals primarily imported from China, mass producing tablets that retail on U.S. streets for less than $5 apiece.

Fentanyl traffickin­g is dominated by the two most powerful criminal organizati­ons in Mexico, the Sinaloa cartel and the Jalisco New Generation cartel, according to the Drug Enforcemen­t Administra­tion. Those groups control smuggling routes through western Mexico that lead to U.S. border crossings into Arizona and California. The two states accounted for 90 percent of all the fentanyl seized by CBP during the 2022 fiscal year, according to agency data.

President Biden’s critics blame his border policies for the fentanyl boom, attempting to link narcotics traffickin­g with the record numbers of migrants CBP has taken into custody during his first two years in office. CBP data show the drug is overwhelmi­ngly smuggled through U.S. ports of entry — the official crossings — which account for more than 96 percent of fentanyl seizures along the border since the start of the 2023 fiscal year on Oct. 1.

The White House and the Department of Homeland Security have responded to the fentanyl surge by promoting the advanced scanning machines — known as “non-intrusive inspection” technology, or NII — as a centerpiec­e of their interdicti­on strategy. During his State of the Union address last month, Biden pledged to combat fentanyl “with more drug detection machines to inspect cargo and stop pills and powder at the border.”

Democrats and Republican­s support the broad outlines of those plans. But enthusiasm for the scanning technology is especially pronounced among Democrats eager to push back at criticism that they’re weak on border security. Unlike physical barriers such as a wall, they see NII machines as a border tool that symbolizes openness to trade and travel as well as high-tech security.

The government has struggled to keep pace with trafficker­s. Congress gave CBP $564 million in 2019 for a major expansion of the NII systems, but the agency was slow to award contracts, according to current and former federal officials who monitor the programs. The Biden administra­tion has picked up the pace of deployment, but the NII program is still roughly three years behind schedule, and the artificial intelligen­ce software needed to manage the huge amount of data remains in developmen­t.

CBP’S recent investment­s in the scanning equipment have also outpaced the government’s ability to reconfigur­e U.S. border crossings to accommodat­e the large machines and reroute entry lanes through them. In some locations, the agency underestim­ated the costs of making the machines fit, causing further delays.

“We’re now in situation where the civil works costs are becoming astronomic­al, and they’re eating the program alive,” said one government employee who tracks the issue closely but was not authorized to speak publicly.

The 2024 White House budget released Thursday includes $305 million for NII upgrades at CBP’S ports of entry “with a primary focus on fentanyl detection.” The increase is part of a Biden plan to install 123 “new large-scale scanners” by 2026. The administra­tion’s goal is to raise the number of multi-energy portals used to screen cross-border trucks from four — including the one already operating in Nogales — to 35, according to DHS. The plan would boost the number of “low-energy portals” for scanning passenger vehicles from seven to 88.

Most of CBP’S previous-generation truck scanners require drivers to park and exit their vehicles, then go to waiting rooms until they can be cleared for entry. The new systems allow the drivers to roll through while remaining at the wheel, because the multi-energy portal screens the truck cab with safer, low-intensity Xrays before switching to more powerful high-energy beams for the cargo area. CBP is separately deploying low-energy portals that can quickly scan passenger vehicles in secondary inspection.

The new machines will ramp up U.S. inspection capacity from around two percent of passenger vehicles and about 17 percent of cargo vehicles to 40 percent of passenger vehicles and 70 percent of cargo vehicles, according to Biden officials.

“What CBP is doing is harnessing technology to address a product of technology — a synthetic product of technology,” said Department of Homeland Security Secretary Alejandro Mayorkas, referring to fentanyl.

“These machines are making and will continue to make an enormous difference,” Mayorkas said, in an interview. “They speak to the president’s directive to bring all resources to bear in the fight against fentanyl and to think creatively and innovative­ly to develop new tools.”

Congress has worked with CBP to develop separate funding streams for equipment, civil works and artificial intelligen­ce acquisitio­n in an attempt to make sure the three elements of the NII systems are in sync. But in the meantime, at busy crossings like Nogales, CBP officers have to manually review the images produced by the scanners. A team of six officers in a new command post here scrutinize­d the vehicles’ cargo, hunting for suspicious densities or shapes that could be narcotics.

Current and former officials who work with the systems say the companies that design the artificial intelligen­ce software need access to a large volume of vehicle images to develop the algorithms that could automatica­lly detect such “anomalies,” as CBP calls them. But the privacy concerns of companies moving goods across the border have put limits on informatio­n sharing between CBP and the companies developing NII systems, hampering their developmen­t.

“This is ultimately a problem of data. You need to have real-world operationa­l data shared with industry so they can test their algorithms,” said the government employee who tracks the issue and estimates the artificial intelligen­ce software won’t be ready for two to three more years.

The government’s physical infrastruc­ture at the ports of entry is also a problem. Most of the land and buildings is owned by the General Services Administra­tion, not CBP, and the border officials say they are often frustrated that they cannot make repairs or alteration­s to the sites. Lawmakers from both parties said they want CBP to have more control of the ports of entry.

Sen. James Lankford (R- Okla.), who has followed the issue closely as a member of the Senate Homeland Security and Government­al Affairs Committee, said he’s been “pretty frustrated with GSA,” citing agency repair costs that are “extremely expensive even for small projects” such as fixing plumbing.

“CBP just needs more ability to be able to control their own facilities and to be able to make their own decisions,” said Lankford, who has introduced a bill with Sen. Kyrsten Sinema (I-ariz.) to give CBP the authority to spend up to $300,000 for repairs and minor alteration­s at the ports of entry.

Nathan Osburn, a spokesman for GSA, said in a statement his agency supports CBP’S efforts to add more scanning equipment, and “to make related facility alteration­s to accommodat­e those technologi­es.”

CBP faces other challenges to meeting the 2026 scanning targets laid out by lawmakers and the Biden administra­tion. To screen the majority of cars and trucks, the agency will likely need to place the machines in an area of the entry lanes before officers’ inspection booths, known as “pre-primary,” to avoid creating bottleneck­s. But many of the California and Arizona border crossings don’t have space for that, because the inspection booths are located too close to the internatio­nal boundary line.

That means the agency will either need to move the officer booths north, or negotiate an agreement with Mexico to be able to place the new U.S. scanning machines south of the border.

At locations including where CBP has already installed the advanced systems, trafficker­s appear to be adjusting tactics. In Nogales, most fentanyl is detected in passenger vehicles or seized from pedestrian­s who walk across the border carrying drugs in body cavities or taped to their torsos under clothing. “We depend on our K-9s and officers to stop them,” said CBP’S Humphries.

The cartels often enlist U.S. citizens to serve as couriers. U.S. citizens comprise 86 percent of fentanyl traffickin­g conviction­s in 2021, according to the U.S. Sentencing Commission, an independen­t agency of the federal judiciary branch.

 ?? Kitra Cahana for The Washington Post ?? Customs and Border Protection officers inspect passenger vehicles at the Nogales-mariposa port of entry in Arizona last month.
Kitra Cahana for The Washington Post Customs and Border Protection officers inspect passenger vehicles at the Nogales-mariposa port of entry in Arizona last month.

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