In this Oct. 2, 2007 file photo, Blackwater USA founder Erik Prince testifies on Capitol Hill in Washington. (AP Photos/Susan Walsh, File)

Erik Prince, Founder and CEO of Blackwater Worldwide is seen at Blackwater's offices in Moyock, N.C., Monday, July 21, 2008. Blackwater plans a shift away from the private security business that brought unwelcome attention following a deadly shooting in Baghdad last year. Blackwater executives say the company will survive with a focus on international training, aviation and construction. (AP Photo/Gerry Broome)

Erik Prince, Founder and CEO of Blackwater Worldwide is seen at Blackwater's offices in Moyock, N.C., Monday, July 21, 2008. Blackwater plans a shift away from the private security business that brought unwelcome attention following a deadly shooting in Baghdad last year. Blackwater executives say the company will survive with a focus on international training, aviation and logistics. (AP Photo/Gerry Broome)

In this Oct. 2, 2007 file photo, Blackwater USA founder Erik Prince testifies on Capitol Hill in Washington. Contractor Blackwater Worldwide plans a shift away from the private security business that brought it unwelcome attention following a deadly shooting in Baghdad last year. (AP Photos/Susan Walsh, File)

Blackwater USA founder, Erik Prince, testifies before the House Oversight Committee on Capitol Hill in Washington, in this Oct. 2, 2007 file photo. Blackwater Worldwide repaired and repainted its trucks immediately after a deadly September shooting in Baghdad, making it difficult to determine whether enemy gunfire provoked the attack, according to people familiar with the government's investigation of the incident. Prince has indicated he expects the FBI investigation into the shooting to vindicate his firm. (AP Photos/Susan Walsh, File)