Two people have been charged with murdering a toddler who vanished in regional Queensland more than four years ago.
The girl was born in September 2014, but was last seen in 2016.
In November 2019, police launched an investigation into what happened to the child.
On Sunday officers declared a crime scene at the Chinchilla Weir, on the Western Downs inland from Brisbane.
Soon afterwards two people who knew the child were charged with murder, torture and interfering with a corpse.
A man, 40, and a woman, 28, both from Chinchilla, are due to face the Dalby Magistrates Court on Monday.
Police have not named the child but earlier this year, relatives revealed a back-yard dig at a Chinchilla home in December was aimed at finding Kaydence Dawita Mills.
They told The Courier-Mail police began looking into what had happened to the child after a local school contacted police to raise concerns held by a guidance counsellor.
One unnamed relative told the paper "none of the family has seen her for a couple of years".
"There's a little girl and she's missing and we don't know what's happened to her. It needs to be brought out of the dark because it's been hidden in the dark for too long," the relative said.
Police did not confirm Kaydence was at the centre of December's dig when contacted by AAP at the time. But it was a meticulous search that involved dirt from the property being sieved.
