U.S.

Associated Press
Federal agents inspect the Dodge Grand Caravan driven by Everett Dutschke near the site of a martial arts studio he once operated, Wednesday, April 24, 2013 in Tupelo, Miss., in connection with the investigation into poisoned letters mailed to President Barack Obama and others. Dutschke has not been arrested or charged. (AP Photo/Rogelio V. Solis)

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