Rep. Randy 'Duke' Cunningham, R-Calif., speaks during a news conference held in 'Smugglers Gulch' along the U.S.- Mexico border in San Diego, seen in this Tuesday, March 29, 2005, file photo. A new study says Cunningham took advantage of secrecy and badgered congressional aides to help slip items into classified bills that would benefit him and his associates. Cunningham's case puts a stark spotlight on the oversight of classified _ or 'black' _ budgets. (AP Photo/Denis Poroy)