Presenters
Debi Marshall
Debi Marshall is one of Australia’s most respected true crime writers and investigators, known for her forensic research, fearless reporting and powerful storytelling.
A journalist, television producer and author of eight books, Marshall has built a reputation for uncovering truth in some of the nation’s darkest cases – often in the face of personal risk. Her landmark work Justice in Jeopardy played a role in the reform of Australia’s double jeopardy laws, while Killing for Pleasure, her account of the Snowtown murders, won the Ned Kelly Award for Best True Crime.
Marshall’s work consistently centres on trust – earning the confidence of victims, families and witnesses to bring forward stories that might otherwise remain untold. As a producer with Channel 7’s Sunday Night, she investigated the Family Court murders, later expanding that work into her book The Family Court Murders, ahead of the arrest of Leonard Warwick.
A two-time Walkley Award listee and recipient of the Walkley Leadership Award, Marshall will present at CRIME SCENE Victor Harbor on the chilling cases of Snowtown and Adelaide’s Family murders – offering rare insight into the investigations behind the headlines.
Sally Leydon
Sally Leydon is the driving force behind the global search for answers in the disappearance of her mother, Marion Barter.
When Marion vanished during a 1997 trip to Europe, what began as a personal mission for answers became an international investigation spanning decades. Leydon has retraced her mother’s final movements across the UK and Europe, uncovering new leads and challenging long-held assumptions about the case.
Her relentless pursuit of the truth led to the creation of the hit podcast The Lady Vanishes, drawing millions of listeners worldwide and helping to reignite public and investigative interest. Through resilience and determination, Leydon has transformed personal loss into a powerful, ongoing search for justice – giving voice not only to her mother’s story, but to families of the missing everywhere.
Derek Pedley
Derek Pedley is a veteran journalist and true crime author with more than 30 years’ experience at The West Australian and The Advertiser, where he worked as a news editor.
Pedley began his career as a teenage sports reporter before rising through the ranks to become an award-winning crime writer, earning SA Young Journalist of the Year in 1996. He is best known for his work on fugitive bank robber Brenden Abbott, the “Postcard Bandit,” with his bestselling book Australian Outlaw shortlisted for a Ned Kelly Award and adapted for television. His third book, Dead By Friday, has also been used as source material for multiple true crime documentaries.
At CRIME SCENE Victor Harbor, Pedley brings decades of frontline reporting and storytelling insight into the realities behind some of Australia’s most compelling crime narratives.
Adam Shand
Adam Shand is one of Australia’s most experienced investigative journalists, with a career spanning more than four decades across television, print and podcasting.
A Walkley Award winner, Shand is renowned for his reporting on gangland wars, outlaw bikie networks, political corruption and cold cases, with work featured in The Australian, Nine Network, The Bulletin and A Current Affair. He is also the author of several true crime books and host of leading audio series including Real Crime with Adam Shand and the Understate podcasts.
At CRIME SCENE Victor Harbor, Shand will host the headline panel event – bringing together some of the nation’s leading true crime creators for an in-depth, no-holds-barred discussion on the stories, investigations and issues shaping the genre today.
Asha Walther
Asha Walther is an investigative storyteller, victim advocate and founder of Exhuming the Truth – a platform dedicated to education, awareness and advocacy in crime and justice.
With a background spanning criminology, crime science, forensic biology and toxicology, Asha’s work is grounded in research, empathy and a trauma-informed approach. She is committed to uncovering overlooked truths, amplifying the voices of victims and the missing, and helping the public better understand the human impact of crime and systemic failure.
Through Exhuming the Truth, Asha delivers storytelling, analysis and educational content that encourages informed discussion, critical thinking and community awareness – always with a focus on ethical responsibility and respect for those affected.
At CRIME SCENE Victor Harbor, she will lead an interactive forensic experience, guiding audiences through the realities of crime scene investigation and the deeper truths behind the evidence.
Meni Caroutas
Meni Caroutas is host of The Missing Australia podcast. A former NSW police officer turned investigative journalist, Meni is dedicated to uncovering the truth behind some of Australia’s most haunting missing persons cases.
Drawing on frontline experience and a relentless investigative approach, Caroutas re-examines cold cases, follows new leads and gives voice to families still searching for answers. His work spans dozens of cases – including unresolved disappearances, unidentified remains and suspected serial crimes -highlighting the scale and human impact of Australia’s missing persons crisis.
Through his podcast The Missing Australia and his book Someone, Somewhere Knows Something, Caroutas combines forensic insight with powerful storytelling, driven by a simple belief: that answers are out there. His work has also delved deeply into the crimes of Ivan Milat, with Caroutas openly questioning whether the convicted killer’s known victims tell the full story – arguing there may be more yet to be uncovered.
At CRIME SCENE Victor Harbor, he brings that pursuit of truth to the stage – exploring the cases, the evidence and the enduring hope for justice.
Graeme Crowley
Graeme Crowley is a former police detective turned independent investigator, known for his work examining miscarriages of justice and unsolved crimes.
With decades of investigative experience, Crowley has built a reputation for challenging official narratives and re-examining evidence in cases he believes warrant deeper scrutiny. His work spans a number of high-profile investigations, including the disappearance of Bruce Schuler, the death of Sarah Brown, and the case of Julie Hatton – each explored through his detailed research and podcast series.
Through platforms such as Who Killed Sarah Brown? and The Guarantor, Crowley brings audiences inside the investigative process, questioning evidence, testing assumptions and advocating for those he believes have been failed by the system.
At CRIME SCENE Victor Harbor, Crowley will share insights from his ongoing investigations – offering a rare look at the pursuit of truth beyond the official case file.
Michael Madigan
Michael Madigan is an Adelaide-based author known for his compelling and deeply researched true crime writing.
His work explores some of Australia’s most confronting cases, including Father, Teacher, Child Killer, which examines the disappearance of two children and the investigation that followed, and The NCA Bombing: A Mafia Murder?, a detailed look into the Adelaide bombing and its suspected links to organised crime.
Madigan’s storytelling delves into the darker edges of criminal behaviour and the complexities of major investigations – unpacking how crimes are committed, concealed and ultimately pursued.
At CRIME SCENE Victor Harbor, he brings a sharp investigative lens to the stage, offering insight into the cases that continue to haunt and intrigue.
Tanysha Jane | Mindy Wix | Amanda Schultz
Three women from vastly different walks of life—united by truth, loss and an unrelenting drive for answers.
Tanysha Jane is a journalist dedicated to uncovering the stories behind South Australia’s most baffling and unresolved cases, bringing fresh attention to investigations that demand deeper scrutiny.
Mindy Wix turned personal tragedy into purpose following the murder of her best friend, Rachelle Childs. Through Dear Rachelle, she has become a powerful voice in the ongoing fight for justice and accountability.
Amanda Schultz is a former police officer driven by a deeply personal mission—to challenge the official findings surrounding her father’s death, a Special Unit detective she believes did not take his own life. Her podcast WHIT – The Cop Who Knew Too Much explores that pursuit.
At CRIME SCENE Victor Harbor, these three compelling voices come together to share their stories—each offering a unique perspective on investigation, injustice and the personal cost of seeking the truth.
Greg Jenkins
Greg Jenkins is not a presenter in the traditional sense—but his story is one of the most powerful you will encounter at CRIME SCENE Victor Harbor.
When his mother, Anna Jenkins, vanished in Malaysia in 2017, Greg refused to accept silence or inaction. What followed was a relentless, deeply personal investigation that spanned years—driven not by training, but by determination.
He interviewed more than 1,000 people, distributed over 12,000 flyers across Malaysia, and pursued leads others wouldn’t—searching morgues, tracking unidentified remains, even crawling through sewer systems in the hope of finding answers. Along the way, he faced real danger, navigating unfamiliar territory, criminal elements and constant uncertainty.
Greg’s search ultimately uncovered crucial evidence, bringing some measure of truth to a case that might otherwise have remained unanswered.
At CRIME SCENE Victor Harbor, Greg will be on hand in support—representing the raw, unfiltered reality of what it means to become a citizen investigator when it matters most.
Suzie Ratcliffe
Suzie Ratcliffe is the founder of Leave A Light On and a tireless advocate for families living with the pain of missing loved ones.
Her work is deeply personal. Suzie’s sister, Joanne Ratcliffe, and her friend Kirste Gordon were both abducted from Adelaide Oval in 1973 – a case that remains one of South Australia’s most haunting mysteries. From that loss, Suzie has built a movement grounded in hope, awareness and ongoing support.
Since founding Leave A Light On in 2015, she has led a national call to action each October 21 – encouraging people to leave a light on in memory of the missing and in solidarity with the families still searching. What began as a symbolic gesture has grown into a powerful reminder that these cases are not forgotten.
At CRIME SCENE Victor Harbor, Suzie brings a deeply human perspective to the conversation – representing the enduring strength of families and the importance of keeping the light on for answers.
Max Marten
Max Marten is a South Australian writer, researcher, podcaster and storyteller whose interest in crime and mystery began long before he ever considered them professionally.
Growing up in Adelaide’s southern suburbs, Max came of age in a city shaped by some of Australia’s most notorious criminal cases. The disappearances, murders and unanswered questions that dominated newspaper headlines and television bulletins formed part of the backdrop of everyday life for an entire generation of South Australians like Max.
He followed the stories as they unfolded, watched the investigations play out, and witnessed the lasting impact they had on families and communities.
Max is currently undertaking a PhD in Creative Writing via Swinburne University, where his research explores how narrative, memory and lived experience can contribute to our understanding of South Australia’s criminal history. His doctoral project, State of Killers, examines some of the state’s most notorious crimes and disappearances through a blend of investigative research, creative non-fiction and personal reflection.
