ABC Online | Convicted killers to have fingerprints, DNA collected in effort to solve SA cold cases ABC Online South Australian police will take fingerprints and obtain DNA from up to 250 people previously convicted for murder or manslaughter in the state in an attempt to solve cold cases. The move is part of the force's cold case campaign, Operation Persist ... Public urged to help solve SA cold cases New forensic evidence emerges in National Crime Authority bombing cold case DNA swoop on paroled killers to solve cold cases |