Kitterman was found bound, blindfolded and fatally stabbed in a car in the Green Zone on May 22.
CNN: Briton held over death of 2 contractors in Baghdad
2.
The five initially were told they were being held in connection with the death in May of another contractor, James Kitterman, according to a source close to the five.
CNN: Briton held over death of 2 contractors in Baghdad