Police are urgently appealing for a member of the public to come forward after they left a tip with Crime Stoppers this week about the 1997 abduction and murder of Gerard Ross in Rockingham.
The person, whose identity remains unknown, submitted information online just before 6pm on Monday, November 25.
Cold Case Investigators are desperate to get in contact with them to clarify some of that information.
Gerard, 11, disappeared while on a family holiday in Rockingham 27 years ago.
His body was found two weeks later in the Karnup pine plantation.
There's a $1 million reward for any information leading to the arrest and conviction of the school boy's killer.
If you are the person who made the tip, please again contact Crime Stoppers by calling 1800 333 000.
You can remain anonymous.
Hayden Ballantyne signs with Rockingham Rams
Mayor reassures community that 'no decision has been made' to close 4WD access at Tim's Thicket, White Hills beaches
DBCA 'sick and tired' of illegal access to Port Kennedy Scientific Park
Mandurah homeless camp goes up in flames
Dawesville community shocked after kangaroo deliberately mowed down
Teens armed with knife, scooter charged over Rockingham Shopping Centre fight
Mandurah private school teacher charged with alleged sexual abuse of male student
Welfare concerns for missing Ravenswood girl
Detectives investigate Rockingham aggravated robbery