The 50th edition of the programme. Calls on the night of last month's programme led to an arrest and produced many new leads.

Among the cases police need your help with tonight is the murder of Jean Kempton. Why was Jean's body found in Wangford, Suffolk, 118 miles from where she lived in the Brixton area of London and how did she get there? Police hope tonight's reconstruction of the events leading up to Jean's disappearance will jog someone's memory. Detectives will be waiting for your call to the studio.

Peter and Gwenda Dixon were shot dead as they walked along a cliff-top path in Pembrokeshire, Wales. Despite weeks of investigation their killer or killers have not been caught. Tonight Dyfed-Powys police reveal new information and appeal for your help to identify the man seen using Mr Dixon 's cashpoint card.

On London's South Bank 25-year-old David Patterson was shot and seriously injured when he tried to foil a robbery of a security van. Did you see the gunman's getaway?