LOYALTIES are breaking between those who know the person, or people, responsible for the murders of Robert Martinez and Chantal Barnett, who disappeared in March 2013.
And CIB boss Detective Acting Inspector Scott Moon is pleading for those who are scared to come forward with information, to "have a conscience".
TOP STORIES ONLINE TODAY
He told Rockhampton media crews yesterday there could be scope for some form of punishment for people withholding information about the murder, depending on the role they played in the disappearance of Robert and Chantal.
That would be determined on a case-by-case basis, Det Insp Moon said.
In recent developments, information from members of the public led to a search of Boundary Rd on Saturday morning.
Martinez Barnett murder case
- TIMELINE: The search for Robert Martinez and Chantal Barnett
- The smallest clue could give Chantal's family answers VIDEO: Human remains found recently identified as Martinez
- VIDEO: $250,000 reward offer for information on murder case
- Police identify human remains found in Rockhampton as male
- Skull and teeth among human remains found in Rockhampton
- Authorities make significant find in Rocky homicide
- Police ‘on right track’ to find missing Rockhampton duo
- No evidence found in police search of Lake Awoonga
- Several tip offs led to police divers search at Awoonga Dam
- It’s the small things you miss about loved ones not here
- Police looking for two vehicles in missing Rocky pair case
- Police search River Rd, Midgee, for clues missing duo case
- Women's clothing found at Byfield in homicide investigation
- Missing Rocky duo case now a double murder case - police
A 25-strong SES party, along with a team of Rockhampton police officers, scoured a 100m by 20m block of land in Boundary Rd in Parkhurst.
The search through rugged terrain lasted about five hours, but Det Insp Moon said no items of interest were found.
He confirmed that people linked to those responsible for the murder of Robert and Chantal were starting to speak up, but some were afraid to come forward.
"There are members of the community who have shown loyalties and of recent times they have shown that loyalties break over time," he said.
"We know there are others out there who may have been loyal to the perpetrators of this violent crime and we call upon them to look inside themselves."
Investigators have spoken to about 500 witnesses so far.
Chantal Barnett went missing in early March 2013.
Police find Chantal's handbag, her Queensland driver's licence and Medicare card in Bowlin Rd in October 2014.
Update your news preferences and get the latest news delivered to your inbox.