Andrew StaffordJune 5, 2026 — 3:44pmA woman jailed for orchestrating a horrific woodchipper murder plot claims she is the victim of a miscarriage of justice.Sharon Graham is serving a life sentence after being found guilty of murder following her grisly plan to kill her ex-partner Bruce Saunders for insurance money.From left: Peter Koenig, Greg Roser and Sharon Graham.Graham has appealed against her conviction, years after Saunders was fed into an industrial woodchipper on a Sunshine Coast property in Queensland.In an attempt to make it look like an accident, all that was left of his body were the legs.Graham’s partner Greg Roser is also serving a life sentence for murder after he beat Saunders with a metal bar and fed the body into the machine with the help of another man, Peter Koenig, in November 2017.Koenig received a lesser sentence for being an accessory to murder after an undertaking he testify in Roser and Graham’s trials.Bruce Saunders’ body was found at a grisly scene involving a woodchipper.Graham’s barrister Andrew Hoare KC on Friday told the Queensland Court of Appeal his client had been the victim of a miscarriage of justice.He argued there had been an error of law in that Justice Martin Burns had failed to direct the jury at Graham’s 2023 trial in relation to a claim of privilege by Koenig which may have affected the verdict.Koenig, a truck driver, had claimed privilege against self-incrimination when asked whether he knew there was cannabis on board his vehicle.Hoare said the jury could only have reached a guilty verdict if it was convinced of Koenig’s credibility.The scene of the alleged murder in 2017 at the property in Goomboorian, 150 kilometres north of Brisbane.Nine News Queensland - TwitterBut he argued Koenig’s claim of privilege put his credibility as a witness in question.The bench, comprising Justices Debra Mullins, John Bond and Shane Doyle, responded by calling Koenig a “grub”.“If the inference was open from the circumstances that Mr Koenig might have been a drug trafficker of cannabis, how does that realistically affect the reasoning of the jury in this trial?” Bond asked.“This was a guy who, on his version of events, was an accessory after the fact to putting a person someone else had killed to cover up that person’s crime – he was a grub!”Doyle said if Koenig was “a noted drug trafficker”, it suggested he was more likely to have been involved in the plot to kill Saunders.“People don’t approach stand-up citizens in the street to commit murders of their ex-boyfriend,” he said.The bench reserved its decision.Roser’s appeal against his life sentence was dismissed in February.AAPFrom our partners