They said they watched the killings from separate hiding places in the jungle. Another former soldier from the area said he saw about 40 trailers with about 10 corpses piled into each being towed down a road. Two days later. after the Khmer Rouge had left. the soldier said he discovered arms and legs and other parts of bodies sticking out of shallow graves near the village of Phan Rong. Another refugee said he had been a policeman in the northwestern province of Oddor Mean Chey. He said he and 16 other police and military intelligence men were rounded up at the provincial headquarters during the