In 1991, twenty year old Penny Hill had just started a new job as a nanny in the small town of Coolah. Three days later she was bashed and left to die on the side of a country road.
Twenty years can pass in the blink of an eye for some, but for Peter and Robyn Stace. Every day that goes by is another 24 hours, they don't have justice for their teenage daughter Lee Ellen Stace, whose murder in 1997 remains unsolved.
Gary Allibon was ambushed during a robbery on his cash-in-transit van in Sydney's commercial district in 2010. He was fatally shot in the back. Despite extensive investigations, no one has been charged over Allibon's murder.
Kevin Pearce operated a freight distribution business when late one night a fatal bullet from a hunting rifle went through his left arm, shattered against his ribs, and lodged in his spine.
Belinda Williams' 6 year old daughter, frightened by the dark, her mum tucked her back into bed and read her a fairy tales. When the child woke the next morning, her mother was not in the house. Belinda Williams, has never been found.