Baker Todd Mooney, 54, and his daughter Kirra, 10, have been discovered lifeless after hearth tore by a big shed at their residence on Fenwicks Road in Biggenden about 12.20pm on December 20.
Police have launched CCTV of two witnesses who police urgently wish to communicate to as a part of their investigations.
The footage was taken on the Ban Ban Springs BP Service Station, on the nook of the Isis Highway and Burnett Highway at 12.20pm on December 20.
Police have mentioned the person and lady, who have been travelling collectively, are usually not linked to Mooney and his daughter.
Detectives are interesting to the pair, or anybody who recognises them or their automotive, to contact police instantly.
Police wish to urgently communicate to any motorists travelling alongside the Isis Highway between Goomeri and Biggenden or on the Ban Ban Springs BP Service Station between 11am and 1pm on December 20.
Mooney had been attributable to marry his long-term accomplice at his residence final week.
