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We now have 11 months of data from U.S. Customs and Border Protection (CBP) about how much illicit drugs the agency seized at the U.S.-Mexico border during the 2023 fiscal year so far (from October 2022 to August 2023). That’s enough to compare this year’s drug seizures with previous years’.
With one exception—fentanyl—the data show a drop or stagnation in the amount of drugs being detected crossing the border.
Drugs manufactured from plants are turning up less often. A few years ago, Americans addicted to prescription opioids were turning to heroin made in Mexico (from the poppy plant), and heroin seizures were way up. That is no longer true: fentanyl competes with heroin, and it’s cheaper and easier to make. Heroin seizures have fallen sharply.
As is the case with all drugs except marijuana, 90 percent of this year’s border heroin seizures have taken place at ports of entry (official border crossings), where CBP’s Office of Field Operations operates—not the areas in between the ports where Border Patrol operates. 60 percent of all border-wide heroin seizures happened at California ports of entry (CBP’s San Diego Field Office).
Cocaine seizures are flat, despite evidence of increased production in the Andes (from the coca plant). 81 percent has been seized at ports of entry this year. 47 percent of all border-wide heroin seizures happened at California ports of entry (CBP’s San Diego Field Office), and another 23 percent at south Texas ports of entry (Laredo Field Office).
Marijuana seizures have been declining for a while. With so many U.S. states now allowing some form of legal, regulated sale of cannabis, there’s far less reason to take the risk of importing it from Mexico.
Marijuana is the only drug that mostly gets seized between the ports of entry. Only 25 percent was seized at ports of entry in fiscal 2023. Most marijuana gets seized in Texas (in 2023 so far, Border Patrol’s Rio Grande Valley Sector 31 percent, Border Patrol’s Big Bend Sector 22 percent, CBP’s Laredo Field Office 19 percent, and Border Patrol’s Laredo Sector 12 percent).
I haven’t done the research to understand why, but seizures of a major synthetic (not plant-based) drug, methamphetamine, have also fallen. 88 percent of meth got seized at ports of entry this year. Of all border-wide 2023 seizures, 63 percent happened at California ports of entry (CBP’s San Diego Field Office).
The one drug that’s being seized in far greater amounts is fentanyl. CBP seized 106 percent more of the highly potent, highly compact synthetic opioid in the first 11 months of fiscal 2023 than it did in the same period of fiscal 2022. (That’s measured in the weight of pills or other form of seized doses, not the weight of pure fentanyl.)
89 percent of fentanyl seizures took place at ports of entry during the first 11 months of fiscal 2023. The ports in California (San Diego, blue) and Arizona (Tucson, green) have accounted for 87 percent of all 2023 fentanyl seizures border-wide.
