How a discarded coffee cup helped solve a 24-year murder mystery

The cold case of Canberra grandmother Irma Palasic's murder, unsolved for 24 years, saw a breakthrough when a discarded coffee cup found during a road trip led to the arrest and conviction of her killers. The cup, which contained DNA evidence, provided the crucial link needed to finally bring justice to Palasic's family. This case highlights the importance of forensic science and the potential of long-forgotten evidence to solve crimes that once seemed unsolvable, underscoring how modern technology can breathe new life into old mysteries.