Four people in Arizona were busted with nearly $4 million worth of meth during a routine traffic stop.

According to officials, detectives with the Mohave Area General Narcotics Enforcement (MAGNET) task force pulled over a vehicle on Interstate 40 in Kingman.

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A police dog sniffed around the vehicle and alerted law enforcement officers to the possible presence of drugs inside, officials said on Facebook.

A drug bust in Arizona found nearly $4 million in meth.

A drug bust in Arizona found nearly $4 million in meth. (Mohave County Sheriff's Office)

Inside the vehicle, officials found several hidden bundles of meth that totaled about 89 pounds. Officials said the street value was about $3.9 million.

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Three men and one woman – identified as German Alvarado, 22; Abril Arreguin, 28; Marlon Torres, and Moises Moralez-Marquez, 30 – were all arrested and face charges of transportation of dangerous drugs for sale and possession of dangerous drugs for sale.