Homeland Security officials today said they had "found" the letter of recommendation convicted former Congressman Randall "Duke" Cunningham wrote on behalf of a controversial limousine company that won a $21.1 million contract. The company, Shirlington Limousine, is being investigated by the FBI over allegations it provided prostitutes for parties attended by Cunningham and defense contractors. In the letter, Cunningham commends the company president, Christopher Baker, who has a criminal record. "He is completely dedicated to his work and has been of service to me and other Members of Congress over the years," Cunningham writes. As was reported in the Blotter on Thursday, Homeland Security officials were unable to produce the letter for a Congressional hearing last week. But officials said it was discovered after some digging through files. Cunningham’s letter was considered the main reference letter that helped Shirlington win the contract to provide employee shuttle service and executive limousine service. Shirlington has denied providing prostitutes as part of its service.