The more than 20 hours it took to establish suspected human remains found in a suitcase near Goulburn were actually a life-like doll highlights the painstaking process required to preserve a potential crime scene, according to a forensic expert.

Police are still working to determine how long a body found in a suitcase by the side of a road in southern NSW had gone undiscovered.

New South Wales Police say remains found in a suitcase in southern NSW are not human.

Australian police said the doll had markings that resembled bruises and grazes

La scoperta in Australia. Scatta l'allarme ma era una sex doll