Arizona state troopers found over 37 pounds of suspected fentanyl pills in a unicorn backpack during a traffic stop on Wednesday.

Troopers with the Arizona Department of Public Safety made the discovery when pulling over a Dodge Challenger headed northbound on Interstate 17, north of Cordes Junction, Arizona. The city is located over an hour north of Phoenix.

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Police

Arizona troopers found over 37 pounds of suspected fentanyl pills in a unicorn backpack during a traffic stop on Wednesday. (Arizona Department of Public Safety)

Officials said "multiple indicators of criminal activity were observed," and found 37.5 points of suspected fentanyl pills, a loaded AK-47 style pistol, and one gram of cocaine inside the car.

Police

Arizona troopers found over 37 pounds of suspected fentanyl pills in a unicorn backpack during a traffic stop on Wednesday. (Arizona Department of Public Safety)

Ray Rodriguez, 22, the driver of the car, was arrested, as well as the passenger, 22-year-old Nathan Perez, according to officials.

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Police

Arizona troopers found over 37 pounds of suspected fentanyl pills in a unicorn backpack during a traffic stop on Wednesday. (Arizona Department of Public Safety)

They were both arrested and taken to the Yavapai County Jail, where they were charged with "possession, transportation, and sale of a narcotic drug," according to officials. 

Rodriguez and Perez are also considered "prohibited possessors" and charged with misconduct involving weapons.