Sword found in croc infested waters at Andergrove
Queensland Department of Environment and Heritage Protection officers were on scene to supervise divers in the crocodile infested creek.
Mackay CIB Det Insp Nikki Colfs said they can't reveal who told them where to find the sword.
"We received information that the sword which was used in the murder of Baynton was thrown into the creek," she said.
"It's a significant breakthrough in the investigation to locate the murder weapon."
Police have found a weapon they believe was used in the alleged murder of Tyrone Baynton.
Police are waiting on forensic exhibits from the scene of Tyrone Baynton's murder to be processed, but continue to call on the public for more information.
The 29-year-old was fatally stabbed on October 11 at a North Mackay residence and three people, believed to be male, were spotted fleeing the scene.
Detective Inspector Nikki Colfs said the crime scene was had now finished being processed.
"The crime scene has been processed and exhibits have now been sent to Brisbane for further forensic testing," Det Insp Colfs said.
"It will take about two weeks.
"Technology has advanced to a stage where forensic testing provides avenues for further investigation for detectives."
The murder weapon has not been located and no further description of the three seen running away have been provided.
But Det Insp Colfs was confident the case would be solved.
"I'm really confident we will solve it but it will take time," she said.
"We would really like the public to continue to come forward with information."
If you know anything that could help, call Crime Stoppers on 1800 333 000.