Details of the investigation were unconcealed to the court, together with a trial to simulate the alleged technique of body disposal in what police dubbed "the pig experiment".
The court detected it concerned a diagnostician dissolving a dead pig in acid to work out if there have been any similarities to alleged remains found outside man Andres' home.
But police attorney Senior Sergeant Peter author aforesaid there was no desoxyribonucleic acid of the deceased found at the scene, though it's alleged dental plate found in a very drain outside the house were kind of like those happiness to Ms Cao.
"That piece of (dental) denture has been subject to associate identification method," he said. "It was found with sure markings that the prosecution square measure locution was acid." He aforesaid tooth doctor Dr Alexander Forrest, UN agency can provide proof, had been talking with consultants within the field in Ms Cao's native China through associate interpreter.
Shikoni Videon