This undated photo provided by the U.S. Border Patrol shows a 2-foot-high drone that a border patrol agent spotted swooping over the border fence on Tuesday, Aug. 8, 2017, near a San Diego border crossing. Authorities have arrested a man they say used the drone to fly drugs across the Mexican border into California. (U.S. Border Patrol via AP)

This undated photo provided by the U.S. Border Patrol shows a 2-foot-high drone that a border patrol agent spotted swooping over the border fence on Tuesday, Aug. 8, 2017, near a San Diego border crossing. Authorities have arrested a man they say used the drone to fly drugs across the Mexican border into California. (U.S. Border Patrol via AP)

SAN DIEGO (AP) — A 25-year-old U.S. citizen has been charged with using a drone to smuggle more than 13 pounds (5.9 kilograms) of methamphetamine from Mexico, an unusually large seizure for what is still a novel technique to bring illegal drugs into the United States, authorities said Friday.

Jorge Edwin Rivera told authorities that he used drones to smuggle drugs five or six times since March, typically delivering them to an accomplice at a nearby gas station in San Diego, according to a statement of probable cause. He said he was to be paid $1,000 for the attempt that ended in his arrest.

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Border Patrol agents in San Diego allegedly saw the drone in flight on Aug. 8 and tracked it to Rivera about 2,000 yards (1,830 meters) from the Mexico border. Authorities say agents found Rivera with the methamphetamine in a lunch box and a 2-foot (0.6-meter) drone hidden in a nearby bush.

The U.S. Drug Enforcement Administration said in a recent annual report that drones are not often used to smuggle drugs from Mexico because they can only carry small loads, though it said they may become more common. In 2015, two people pleaded guilty to dropping 28 pounds (12.7 kilograms) of heroin from a drone in the border town of Calexico, California. That same year, Border Patrol agents in San Luis, Arizona, spotted a drone dropping bundles with 30 pounds (13.61 kilograms) of marijuana.

Alana Robinson, acting U.S. attorney for the Southern District of California, said drones haven’t appealed to smugglers because their noise attracts attention and battery life is short. Also, payloads pale compared to other transportation methods, like hidden vehicle compartments, boats or tunnels.

As technology addresses those shortcomings, Robinson expects drones to become more attractive to smugglers. The biggest advantage for them is that the drone operator can stay far from where the drugs are dropped, making it less likely to get caught.

“The Border Patrol is very aware of the potential and are always listening and looking for drones,” Robinson said.

Benjamin Davis, Rivera’s attorney, declined to comment. Rivera is being held without bail and is scheduled to be arraigned Sept. 7.