Sept. 16 (UPI) -- U.S. border agents say they recently uncovered more than a half-million dollars in heroin near Laredo at America's southern border. The U.S. Customs and Border Protection agency said Tuesday that CBP officers on Sunday at the Juarez-Lincoln Bridge seized more than $557,000 worth in heroin concealed inside a vehicle at the Laredo Port of Entry in Texas. "Our frontline CBP officers continue to apply their inspection skills together with the latest technology, and that