Door entrance to apartment 15N at 1505 N Quinn St in Arlington Va., Monday, June 28, 2010. Defendant Mikhail Semenko was arrested at this residence. Ten people have been arrested for allegedly serving as secret agents of the Russian government with the goal of penetrating U.S. government policymaking circles. (AP Photo/Carolyn Kaster)

Photo by: Carolyn Kaster

Door entrance to apartment 15N at 1505 N Quinn St in Arlington Va., Monday, June 28, 2010. Defendant Mikhail Semenko was arrested at this residence. Ten people have been arrested for allegedly serving as secret agents of the Russian government with the goal of penetrating U.S. government policymaking circles. (AP Photo/Carolyn Kaster)