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Under Investigation — Nine Network — 2025

Under Investigation on Nine Network: The Case of Ray and Jenny Kellett

Documentary series about the mysterious disappearance in the Australian outback

Published
March 17, 2026 at 03:09 PM

Quick Facts

År2021
IMDb5.9/10
TMDb4/10

What is the series about?

Under Investigation on Nine Network delves into one of the most mysterious cases from the Australian outback in its 8th season. The documentary series, led by experienced journalist Liz Hayes, investigates the tragic events surrounding the couple Ray and Jenny Kellett. The couple ventured into the remote terrain of Western Australia to search for gold along with their friend Graham Milne. However, the expedition ended in tragedy, with only Graham Milne returning alive. He claimed that the couple had disappeared during the trip, but his explanations have since been met with intense skepticism from both relatives and investigators.

The real case

The real case of Ray and Jenny Kellett is marked by conflicting accounts and controversial decisions during the police's initial investigation. Ray Kellett was found dead at the bottom of a deep mine shaft, while his wife Jenny vanished without a trace and has never been found. Central to the investigation is Graham Milne, who was the last person to see the couple alive. Western Australia Police and Detective Sergeant Steven Cle revealed in the program that there were already plans in 2018 to charge Milne, but the case stalled.

Journalist Liam Bartlett has played a crucial role in bringing new information to light. During the work on Under Investigation, it has emerged that there is forensic evidence that the police apparently overlooked or ignored in the early stages of the investigation. One of the most criticized details of the case is that Milne was allowed to camp unsupervised in the area while the search for the couple was ongoing, which potentially could have given him the opportunity to remove evidence.

Timeline of the case

The events surrounding Ray and Jenny Kellett span several years with ongoing legal hearings. During a coronial inquest in Western Australia, Graham Milne was questioned about the many inconsistencies in his timeline of events. It emerged that his explanation of when he last saw the couple did not align with the technical findings at the camp. Despite the strong indications and new findings presented in Under Investigation, the case remains complex, as Jenny's body is missing, and the cause of death for Ray has been difficult to determine with 100 percent certainty as being a homicide rather than an accident.

Watch the series

Under Investigation can be streamed on Nine Network (9Now in Australia). The series is known for its use of a 'war room,' where experts in forensics, psychology, and investigation analyze cold cases with fresh eyes. Season 8, episode 1 provides a unique insight into outback mysteries and the challenges faced by the Australian police in the vast, uninhabited areas.

Similar series on Truecrime News

If you are interested in Australian criminal cases and missing persons, you can find more information in our coverage of The Missing Australia or read about other unsolved cases in our Cold Cases section.

Sources

  • 9Now - Under Investigation Official Site
  • WA Today - The Kellett Disappearance Inquest
  • ABC News Australia - Outback Gold Prospecting Deaths

Reviews

"One of the most in-depth true crime series on Australian TV that dares to question police work." — IMDb (7.8/10)

Read more

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Under Investigation — Nine Network — 2025

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20/20: I Have Killed For You on ABC: The Case of Bonnie and Heather Woodward

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Susanne Sperling

Admin

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Under Investigation — Nine Network — 2025

Under Investigation on Nine Network: The Case of Ray and Jenny Kellett

Documentary series about the mysterious disappearance in the Australian outback

Published
March 17, 2026 at 03:09 PM

Quick Facts

År2021
IMDb5.9/10
TMDb4/10

What is the series about?

Under Investigation on Nine Network delves into one of the most mysterious cases from the Australian outback in its 8th season. The documentary series, led by experienced journalist Liz Hayes, investigates the tragic events surrounding the couple Ray and Jenny Kellett. The couple ventured into the remote terrain of Western Australia to search for gold along with their friend Graham Milne. However, the expedition ended in tragedy, with only Graham Milne returning alive. He claimed that the couple had disappeared during the trip, but his explanations have since been met with intense skepticism from both relatives and investigators.

The real case

The real case of Ray and Jenny Kellett is marked by conflicting accounts and controversial decisions during the police's initial investigation. Ray Kellett was found dead at the bottom of a deep mine shaft, while his wife Jenny vanished without a trace and has never been found. Central to the investigation is Graham Milne, who was the last person to see the couple alive. Western Australia Police and Detective Sergeant Steven Cle revealed in the program that there were already plans in 2018 to charge Milne, but the case stalled.

Journalist Liam Bartlett has played a crucial role in bringing new information to light. During the work on Under Investigation, it has emerged that there is forensic evidence that the police apparently overlooked or ignored in the early stages of the investigation. One of the most criticized details of the case is that Milne was allowed to camp unsupervised in the area while the search for the couple was ongoing, which potentially could have given him the opportunity to remove evidence.

Timeline of the case

The events surrounding Ray and Jenny Kellett span several years with ongoing legal hearings. During a coronial inquest in Western Australia, Graham Milne was questioned about the many inconsistencies in his timeline of events. It emerged that his explanation of when he last saw the couple did not align with the technical findings at the camp. Despite the strong indications and new findings presented in Under Investigation, the case remains complex, as Jenny's body is missing, and the cause of death for Ray has been difficult to determine with 100 percent certainty as being a homicide rather than an accident.

Watch the series

Under Investigation can be streamed on Nine Network (9Now in Australia). The series is known for its use of a 'war room,' where experts in forensics, psychology, and investigation analyze cold cases with fresh eyes. Season 8, episode 1 provides a unique insight into outback mysteries and the challenges faced by the Australian police in the vast, uninhabited areas.

Similar series on Truecrime News

If you are interested in Australian criminal cases and missing persons, you can find more information in our coverage of The Missing Australia or read about other unsolved cases in our Cold Cases section.

Sources

  • 9Now - Under Investigation Official Site
  • WA Today - The Kellett Disappearance Inquest
  • ABC News Australia - Outback Gold Prospecting Deaths

Reviews

"One of the most in-depth true crime series on Australian TV that dares to question police work." — IMDb (7.8/10)

Read more

Under Investigation — Nine Network — 2025
TV Series

Under Investigation on Nine Network: The Case of the Murder of Irma Pelazic

20/20: I Have Killed For You — ABC — 2025
TV Series

20/20: I Have Killed For You on ABC: The Case of Bonnie and Heather Woodward

See No Evil — Investigation Discovery — 2023
TV Series

See No Evil: I Will Follow on ID: The Murder of Abigail Gasca-Chavez

Related Content
Under Investigation — Nine Network — 2025

Under Investigation on Nine Network: The Case of the Murder of Irma Pelazic

20/20: I Have Killed For You — ABC — 2025

20/20: I Have Killed For You on ABC: The Case of Bonnie and Heather Woodward

See No Evil — Investigation Discovery — 2023

See No Evil: I Will Follow on ID: The Murder of Abigail Gasca-Chavez

Grenfell: Uncovered — Netflix — 2025

Grenfell: Uncovered on Netflix: The story behind the fire at Grenfell Tower

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Susanne Sperling

Admin

Share this post: