Presented by Nick Ross and Sue Cook with Police Superintendent David Hatcher.
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?
If you can help please ring [number removed]. The lines are open from 9.30pm to midnight.
Studio director PIETER MORPURGO Producer ANNE MORRISON Editor RITCHIE COGAN
('Crimewatch Update' is at 11.35pm)
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