Rachelle Childs left work on a Thursday afternoon in 2001 and rang her sister to arrange drinks that evening; nine hours later her partially burned body was found in a shallow roadside ditch about 70 miles from her workplace. Authorities have never identified or charged a suspect in the killing, and the case remains unsolved nearly 24 years later.

Childs, then 23 and working as a car salesperson, was discovered with injuries that led investigators to suspect sexual assault. Her sister, Kristy—who was 18 at the time—has continued to press for answers and last month wrote to the state police minister asking for the investigation to be reopened. Kristy has also publicly offered a A$500,000 (about £240,000) reward for information leading to an arrest.

The family’s renewed campaign has been amplified by a true-crime podcast, Dear Rachelle, hosted by journalist Ashlea Hansen, and by the involvement of retired detective Damian Loone. The podcast, which revisits the timeline and investigative steps taken in the months after Childs’s disappearance, has been downloaded more than four million times and has generated a wave of public attention and calls for fresh inquiries.

Police sources have previously said the original inquiry was exhaustive, and authorities have not announced any new investigative actions in response to the family’s request. A police spokesperson has declined to provide additional details about the status of active inquiries but reiterated that any new information from the public will be assessed.

Kristy has said she hopes renewed scrutiny will prompt witnesses to come forward and that modern forensic methods might reveal evidence that was not available or examined in the early 2000s. The family and their supporters have urged officials to conduct a fresh forensic review and to reexamine items and testimony from the original investigation in light of advances in DNA testing and investigative technology.

The timeline established by investigators shows Childs leaving her workplace in the afternoon, phoning her sister to confirm plans that evening, and then disappearing. She was found the following day in a shallow ditch; public accounts of the case describe severe injuries and partial burning of the body. Police at the time classified the death as a homicide and launched a wide-ranging investigation that included searches and interviews, but no prosecution followed.

Families of victims in long-unsolved cases increasingly turn to media and public appeals to generate leads and pressure authorities to reinvestigate. In Childs’s case, the family’s partnership with a high-profile podcast and a retired investigator has drawn new attention from listeners and media outlets, and Kristy has publicly announced the reward to encourage anyone with information to come forward.

Investigators have previously said they remain open to receiving new information. Anyone with relevant information has been asked to contact local police or the case’s tip line; the family and their advisers have urged witnesses who may have been reluctant to speak at the time of the killing to reconsider in light of the renewed appeal.

No arrests have been made in the case since Childs’s death. The family awaits a formal response from the police minister and from law enforcement agencies on whether the inquiry will be reopened or whether additional resources will be allocated to reexamine evidence from the original investigation.