that the leads had run out. we scaled down the inquiry, but one thing that we've never done is close the inquiry. the old kent police headquarters would soon be earmarked for closure, but in 2019, the tunbridge wells case came back to life. we had a breakthrough. we developed the tights that caroline was wearing when she was found in order to be able to get, for the first time ever, a dna sample that we believed is from the suspect who had killed caroline in 1987. but back then, there was nothing to compare it with. the police were not taking dna from people, because we didn't have the power — we didn't even though the technology was going to be there. dna profiles are a bit like car number plates. 0ne plate, one car. there has been a register of plates since 190a.