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.

Bushfire readiness takes centre stage at City of Kwinana's free Summer Sounds festival
WA Open Golf Championship to tee off at Secret Harbour Golf Links
Halls Head named WA's most persistent storm damage hotspot
Four illegal e-bikes to be crushed after police crackdown in Halls Head, Falcon
Aboriginal jobs and careers expo to attract 1000 attendees in Rockingham
Firefighters attend Lakelands home after reports of thick smoke
WA Government to ban screen use for younger students as part of six-month trial
Singleton General Store shutdown over illicit tobacco, vape sales
Concerns for missing Bertram woman
