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The 24-year-old man and Secure Electronic Network for Travelers Rapid Inspection (SENTRI) cardholder was driving a maroon Mazda 3 making entry from Mexico, officials said.
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SENTRI is a CBP program that allows expedited clearance for pre-approved, low-risk travelers arriving in the United States.
Authorities said his car was selected for inspection after a K9 alerted officers about the possible presence of narcotics.
After officers conducted a physical inspection, they discovered 20 packages hidden within the vehicle.
The packages contained 23 pounds of alleged methamphetamine, officials said.
"This is a sizeable drug load and a significant intercept," Elizabeth Garduno, CBP Port of Eagle Pass (A) Port Director, said. "Our officers remain vigilant and continue to work hard to stop those who intend to introduce dangerous narcotics to our community."
CBP officers seized the narcotics and the vehicle.
The driver is now facing federal prosecution and revocation of his Trusted Traveler Program privileges, authorities said.
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