Officials with U.S. Customs and Border Protection seized more than 200,000 fentanyl pills hidden in a secret compartment of a vehicle at Port of Nogales, Arizona, Saturday.

Around 47,000 of those pills were rainbow-colored pills, which federal officials have warned is a new trend meant to drive young people to the deadly drug.

Fentanyl, a powerful opioid up to 50 times stronger than heroin, was responsible for 71,238 of the record 107,000 fatal drug overdoses in the United States last year, according to the CDC. 

Border officials also found 186,000 blue fentanyl pills and 6.5 pounds of meth in the vehicle, Port Director Michael Humphries said.

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Border officers discover rainbow and blue fentanyl pills in vehicle in Arizona

U.S. Customs and Border Protection officers discovered 47,000 rainbow-colored fentanyl pills, 186,000 blue fentanyl pills and 6.5 pounds of meth in a vehicle at Port of Nogales, Arizona, Sept. 3, 2022, according to Port Director Michael W. Humphries. (U.S. Customs and Border Protection)

Fentanyl is primarily brought across the southern border by two drug trafficking organizations, the Sinaloa Cartel and the Jalisco New Generation Cartel.

The new brightly-colored fentanyl – which can come in pills, powder and blocks that look like sidewalk chalk – is not more potent than the traditional form, but could be more attractive to young people, the DEA says. 

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The DEA have already seized brightly-colored fentanyl in 18 states last month.

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Customs and Border Protection officers in Arizona seized 625,000 fentanyl pills in five recent inspections, 12,000 of which were rainbow-colored, according to Humphries. 

Fox News' Paul Best contributed to this report.