Scores of bodies are laid out on the ground at Kibeho camp in preparation for burial in a mass grave in Rwanda in this April 22, 1995 file photo. An estimated 5,000 refugees were killed when government forces fired on the mostly Hutu crowd that attempted to break through the army cordon. Rwanda marked the 10th anniversary of its genocide on April 7, as bewildered and angry as ever at the worlds failure to stop one of the 20th centurys great crim