Sky News
Computer forensics expert casts doubt on testimony about altered Heard injury images
Julian Ackert, a computer forensics investigator, is asked about forensic imaging. He says this is the process of capturing data on a digital device in a "
forensically sound manner".
A forensic image collects "
everything on a device" including documents, emails, photographs, history and apps, Mr Ackert tells the court.
He says to analyse data forensically for a court, a forensic image needs to be collected he says.
Mr Ackert is in court for Amber Heard's team as a rebuttal witness to the testimony of Bryan Neumeister, another expert in digital forensics, who took the stand for Johnny Depp's team yesterday.
Mr Neumeister told the court he had analysed photos of Heard with alleged injuries and said there were different versions of some images and that some had gone through editing software.
Mr Ackert says that for all but one of the photos Mr Neumeister analysed he found that the original versions of the pictures did not show that they had been through editing software in their xcf (exchangeable image file format) metadata.