Expert Nigel Phair believes a sudden disappearance of data from Samantha Murphy's devices could be a powerful pointer to the possibility something sinister has occurred. #UInvestigate | Stream for free on 9Now

Why did the WA Police fail to detect the states most vicious predator? #UInvestigate | Tonight 9.10pm on Channel9 and @9now

Despite the WA Police having damning evidence, Moore was not charged for his brutal crimes. #UInvestigate | Watch on Channel9 and 9Now

Adrian Moore's horrific crimes were chillingly similar to the convicted London Met Policemen David Carrick and Wayne Couzens. #UInvestigate | Watch on Channel9 and 9Now

#BREAKING: A 22-year-old has been arrested by police investigating the disappearance of Ballarat woman Samantha Murphy. brnw.ch/21wHDED

Why China wants your secrets... #UInvestigate | Tonight 9.00pm on Channel9 and 9Now

China has a disguised vast network of interconnected surveillance technology following its population. #UInvestigate | Watch on Channel9 and 9Now

How did the system let this happen? #UInvestigate | Tonight after #FoodStarsAU on Channel9 and 9Now

"Those involved need to take responsibility and be a part of the process to address these matters." #UInvestigate | Tonight 9.00pm on Channel9 and 9Now  brnw.ch/21wIg1w

We're investigating whether this deadly outcome was preventable. #UInvestigate | Tonight 9.00pm on Channel9 and 9Now

Liz Hayes and our expert panel embark on a mission to unravel the mystery surrounding 15-year-old Eden Westbrook’s death. New #UInvestigate | Tomorrow 8.30pm on Channel9 and 9Now

This is a mystery that'll break your heart. New #UInvestigate | Tonight 8.30pm on Channel9 and 9Now

CCTV footage of the area where Eden's body was found could have proven crucial to the case. New #Investigate | Watch on Channel9 and 9Now

A young model, a hit man, police secrets and the cat who saw it all... #UInvestigate | Tonight 8.30pm on Channel9 and 9Now

Clinical. Swift. Ruthless. Who would commit such a brutal act against an innocent young woman, and what was the motive? #UInvestigate | Tonight 8.30pm on Channel9 and 9Now

"Were you in love with Corinna?" #UInvestigate | Watch on Channel9 and 9Now

The secrecy continues. #UInvestigate | Watch on Channel9 and 9Now

Recognising her work on #UInvestigate, Liz Hayes has been nominated for Best News or Public Affairs Presenter at this year's #TVWeekLogies. Vote now to show your support: TVWeekLogies.com.au

New details have emerged about the unsolved 1997 murder of Adelaide woman Corinna Marr, after #UInvestigate's comprehensive cold case investigation. 9now.nine.com.au/under-investig…

"I believe - and I am not alone in this belief - that something awful happened and that Eden was probably murdered." 9now.nine.com.au/under-investig…