Waterloo Police are asking the public for help in locating a missing woman, according to the Waterloo Cedar Falls Courier. 20 year old Alaina Erazo-White was last seen in early September. Law enforcement is concerned for her health and safety. She is described as standing five feet, two inches tall and weighing 120 pounds with waist length hair. If you have any information on her whereabouts, you are asked to contact the Waterloo Police.