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At first glance, these limes look like a normal shipment of the green fruit. But they don’t contain the citrus juice you would squeeze into your margarita on a hot summer day.

Instead the phony limes were packed full of marijuana.

U.S. Customs and Border Protection officers in Pharr, Texas, seized a total of 3,947 pounds of weed in the commercial shipment of key limes on Jan. 30, officials said.

The truck hauling the “produce” crossed the Pharr-Reynosa International Bridge along the Texas-Mexico border near the Gulf of Mexico. Over 34,000 of the fake fruit packages were discovered by an imaging inspection system and narcotics K-9 team.

“This is an outstanding interception of narcotics. Our CBP officers continue to excel in their knowledge of smuggling techniques, which allows them to intercept these kinds of attempts to introduce narcotics into our country,” said Port Director Efrain Solis Jr. in a statement.

The drugs are valued at approximately $789,467, according to the U.S. Customs and Border Protection statement. The case is under investigation by the Department of Homeland Security.

This isn’t the first time smugglers tried to use fake produce to bring drugs into the United States. Last year, agents found 2,493 pounds of marijuana stuffed into fake carrots at the same border crossing.

Border officers in Texas find nearly 2 tons of weed camouflaged as limes https://t.co/yYHMT6P8aa pic.twitter.com/jTbZgOEvKd — CNN (@CNN) February 8, 2017

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