The NSW Director of Public Prosecutions (DPP) has accepted there is reasonable doubt that Kathleen Folbigg killed her 4 children due to new evidence. Labelled Australia’s worst female serial killer, the 2nd public inquiry into Folbigg’s convictions is wrapping up this week with the strongest indication yet that she could be released from jail after 20 years. The 55yo has maintained her innocence since her 2003 conviction. Folbigg’s conviction leaned heavily on diary entries expressing her anxieties about motherhood, but claims made about their importance were questioned in this inquiry. And there was new evidence about her children, including that 2 daughters shared a rare gene mutation that may have caused their deaths. Experts say Folbigg could be pardoned or have her case referred to the Court of Criminal Appeal. Law expert Emma Cunliffe said yesterday’s submission from the DPP was “a very important step in the process of exonerating her”.