Slacks Creek’s David Hanson with his daughter. Car belonging to missing Slacks Creek man David Hanson.
Police believe the people responsible for killing a Slacks Creek grandfather in a Woodridge business cleaned and demolished part of the site to hide evidence.
The body of David Hanson, 71, has still not been found after his disappearance in February this year.
Superintendent Dave Hutchinson said investigators believe Mr Hanson was murdered at the Autowerks car detailing business on February 22, after police completed forensic tests.
“[Mr Hanson] is associated with the people who were running the business,” Superintendent Hutchinson said.
“We do believe after this event there was an extensive amount of work done there – cleaning the property and even demolishing part of the property. We have conducted a very thorough forensic examination and we’re quite convinced that’s where he was killed.”
The former car detailing business on Timms Court has since closed.
Police have four suspects in the case, some of whom resided at a Kingston property Mr Hanson stayed in between February 18 and February 22.
Mr Hanson, a mining consultant who split his time between Brisbane and the African nation of Tanzania, was due to fly to South Africa on February 22 but never made it to the airport.
He was last seen on the 22nd at a Sunnybank shopping centre where he met his daughter for coffee.
Police believe Mr Hanson then drove his car back to the Kingston house on Snowdon Street. However it was not clear how or why he ended up at the Woodridge business.
“We’re interested in anybody who can fill those gaps and maybe tell us where he was and what he did after the time he left the shopping centre,” Superintendent Hutchinson said.
In March, police searched the Browns Plains rubbish tip where they discovered items which related to the case.
Queensland Police have worked with Australian Federal Police and Tanzanian police during the investigation.
Anyone with information should contact Crime Stoppers on 1800 333 000.
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