KAMPONG Speu provincial police arrested three out of four men suspected of the rape and murder of a 27-year-old woman, police officials said yesterday. Kong Pisei district police chief Khem Sophanra said that the suspects had been handed to provincial police after their arrests on Monday. “The three suspects have not yet confessed to the crime, but the police have witnesses and bloodstains have been found on their shirts,” he said. Keo Sokunthy’s naked body was found along National Road 3 on Monday. Her feet and legs had been bound and her throat was cut.