(Aloha, OR) -- An investigation is ongoing into the discovery of human remains in Aloha. Police say someone was walking along TV Highway near Southwest 160th Saturday when they found the remains off the side of the road. Investigators say the remains are from an adult who had been dead for several months. There are no signs of foul play, but an investigation is ongoing. The Medical Examiner is working to determine the cause of death and the person's identity.