detectives were hopeful. it was compared to all of the people that had dna held on that national database, but there was no match. the first of this month's reconstructions tells the story of a 25—year—old woman who lived alone in a bedsit at tunbridge wells in kent. ..and tunbridge wells. the team tried asking for help on the bbc�*s crimewatch programme, which was to feature the tunbridge wells murders twice over the years. we had samples from the scene. we had the offender's dna from the scene. they'd been kept. over the years. that had — that had been kept. so we — we recover — recovered them from the scene and — and they're always kept in undetected cases in — for new developments in forensic science. the months turned into years. a huge murder investigation into a cold case. at kent police, it was clear that the leads had run out. we scaled down the inquiry,