OTAY MESA (CBSLA.com) — U.S. Customs and Border Protection officers recently discovered 3,370 pounds of marijuana that was hidden in a shipment of Christmas bows.

According to officials, around 3:30 p.m. Thursday, a 28-year-old Mexican citizen that was driving a 1998 Kenworth tractor entered the port of entry facility while pulling a trailer with cargo masked as bows.

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(credit: U.S. Department of Homeland Security/U.S. Customs and Border Protection)

(credit: U.S. Department of Homeland Security/U.S. Customs and Border Protection)

The driver was referred for questioning by a border officer on duty, officials said.

During an in-depth examination, officers ran the tractor and trailer through the port’s imaging system, which detected anomalies within the cargo, authorities said.

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Officers reported they then inspected one of the boxes and found a “green-leafy substance” that tested positive for marijuana.

Officials extracted 209 large packages of marijuana from inside of the boxes, which is valued at $1.5 million, a press release stated.

(credit: U.S. Department of Homeland Security/U.S. Customs and Border Protection)

(credit: U.S. Department of Homeland Security/U.S. Customs and Border Protection)

The driver was booked at the Metropolitan Correctional Center.

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Officers seized the marijuana, tractor and trailer in result of the incident.