Exterior of the River House Apartments in Arlington Va., on Monday, June 28, 2010. Two defendants, known as  Michael Zottoli and Patricia Mills, were arrested at their residence in this building. 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/Pablo Martinez Monsivais)

Photo by: Pablo Martinez Monsivais

Exterior of the River House Apartments in Arlington Va., on Monday, June 28, 2010. Two defendants, known as Michael Zottoli and Patricia Mills, were arrested at their residence in this building. 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/Pablo Martinez Monsivais)