STERLING, Va. (WUSA) - Customs officers at Dulles International Airport discovered more than 11 pounds of heroin concealed in a Ghanaian woman's luggage on Christmas Eve, according to the Dept. of Homeland Security.

Nana Tweneboah, 68, is being prosecuted by the U.S. Attorney's Office after Customs and Border Protection officers allegedly discovered more than 11 pounds of heroin concealed in her suitcase's lining.

According to court documents, when CBP officers noticed that Tweneboah's black suitcase remained unusually heavy despite being emptied of its contents, the lining of the suitcase was checked, revealing a large single package in the bottom lining.That package allegedly contained a brown, powdery substance, a sample of which field-tested positive for heroin.

The substance weighed 5,183.1 grams, or 11 pounds, 6.8 ounces and has a street value of approximately $365,000.

Tweneboah arrived from Ghana via Amsterdam, the Netherlands shortly after 3 p.m. Christmas Eve, reportedly destined to an address in Alexandria, Va., to visit with her son and daughter.

CBP officers placed a detainer on Tweneboah, who will be returned to CBP upon adjudication of her charges.

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