Information provided by accused murderer Bradley Scott Purkiss' father led to police searching the area where Dwayne Robert Davies' body was found, a court has heard.
After being last seen on May 26, 2017, Mr Davies' body was found wrapped in a blue tarp in a shallow grave at Levendale.
Mr Davies' best friend, Mr Purkiss, and wife, Margaret Anne Otto, are jointly charged with his murder and both have pleaded not guilty.
Tasmania Police Detective Constable George Stirling told the court on Tuesday he visited the New Norfolk home of the accused's father, Anthony Purkiss, on June 1, 2017.
"Anthony wanted to tell us he wasn't completely honest in his outline he gave to other officers," Detective Constable Stirling said.
"He appeared nervous, agitated."
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The court heard Mr Anthony Purkiss told police his son visited him twice on Friday, May 26, and the pair went shooting with his other son, Wayne Purkiss, on a rural property at Levendale on the Saturday night.
Earlier in the trial, Mr Anthony Purkiss gave evidence, when the trio arrived at Levendale, his son Bradley drove off in his ute and returned 20 minutes later.
Mr Anthony Purkiss accompanied police to the property at Levendale where Detective Constable Stirling and another detective searched "areas we believed could be of interest" for two hours.
"We tried to narrow it down to the distance Bradley Purkiss could have traveled that night," Detective Constable Stirling said.
Detective Constable Stirling said the property was declared a crime scene that evening with efforts made to organise a large coordinated search for the next day.
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- Court hears of physical altercation before alleged murder victim was last seen
- Accused killer 'debt-free' after husband's disappearance
- Alleged murderer arranged last minute shooting trip to Levendale
- Dwayne Robert Davies 'obsessed' with television anti-hero Walter White
- Accused murderer attended birthday party for alleged victim's grandson
- Alleged killer confident police would find no evidence of foul play
- Accused told police he was being framed for best friend's murder
Tasmania Police Constable Nick Grubb told the court he was one of at least 60 officers who attended the property the following day.
Constable Grubb said he spoke with the owner of the property regarding an area police had declared of interest near an excavator "which appeared to have been recently moved".
"I obtained a statutory declaration from [the landowner] outlining he hadn't driven the excavator in a week, he left the keys in it," Constable Grubb said.
The next day, Saturday June 3, Constable Grubb returned to Levendale and observed officers working around the logs digging carefully.
"I was informed a piece of blue tarp was found at that point," he said.
The court heard an item shaped like a body, wrapped in a blue tarp and secured with clear tape and baling twine, was exhumed from this area and transferred to the Royal Hobart Hospital by a mortuary ambulance.
Constable Grubb said he observed blood on the ground from the hole where the wrapped item was lifted from.
The court heard the body was later identified as Mr Davies.
The trial before Chief Justice Alan Blow continues.