RIYADH – Four foreigners have been arrested for raping and killing a 50-year-old mother and sexually assaulting her 14-year-old son in the Manfouha neighborhood of Riyadh. The suspects, all Pakistanis, allegedly murdered the woman, stole her jewelry and ran off, leaving her son in a terrible condition. The woman's brother reported the crime to the police at 2:45 a.m. Saturday. He told the police that he found his sister dead while her son was tied to the bed. The police formed a team of investigators who studied the crime scene and lifted fingerprints and started an extensive search, which led to the arrest of the four suspects. The four Pakistanis confessed to their crimes during questioning.