Margaret Parkes stands holding a framed photo of Simon in navy uniform as her husband sits in an armchair behind her
Margaret and David Parkes at their home. ‘It’s affected our lives tremendously,’ Margaret said of their son’s disappearance. Photograph: Martin Godwin/The Guardian
Margaret and David Parkes at their home. ‘It’s affected our lives tremendously,’ Margaret said of their son’s disappearance. Photograph: Martin Godwin/The Guardian
Mother of Royal Navy sailor missing for 40 years calls for suspected killer to confess

Margaret Parkes and her husband, in their 80s, want Allan Grimson to reveal location of their son Simon’s remains