Last year, smugglers tried using a catapult to get pot into the U.S.

Now, U.S. Customs and Border Protection agents say they recently discovered 30 large cans of marijuana in a field near Yuma, Ariz., — and that the barrels apparently landed there after being fired from a pneumatic-powered cannon 500 feet away in Mexico.

The pot totaled about 85 pounds and "was valued at $42,500," NBCSanDiego.com says.

In other smuggling news, "Spanish authorities say they have arrested a Panamanian woman arriving at Barcelona airport with 3 pounds of cocaine concealed in breast implants," The Associated Press says.

The Panamanian woman was picked up at the airport in Barcelona.

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