35-year-old Helen Cooke missing from her home in Gawler East Helen Cooke has been missing since this afternoon from her Gawler East home. POLICE are seeking help to locate 35-year-old Helen Cooke, who has been missing since 5.30pm today, from her home in Gawler East. She is described as being caucasian, about 165cm tall, of average build and with light brown hair. It is believed Helen is driving a blue Holden Viva sedan, registration number S232AMH. If you know of Helen's whereabouts or you think you may have seen her, please contact the Police Assistance Line on 131444.