A mother who was cleared of killing four of her children has said Kathleen Folbigg 'could be innocent'.
Carol Matthey faced accusations that she killed her four children between 1998 and 2003 but the highly publicised case was thrown out of court because evidence centred on 'cot death theory' did not meet the judge's standards.
On 60 Minutes on Sunday night senior journalist Tara Brown interviewed Ms Matthey about her children's tragic deaths.
The dramatic interview came ahead of the a landmark inquiry reviewing the conviction of Kathleen Folbigg who was found guilty of killing her four children in 2003.
Scroll down for video
Carol Matthey (pictured), who was accused of killing her four children before being cleared, has defended one of Australia's worst serial killers who was convicted for killing her children
Carol Matthey faced accusations that she killed her four children between 1998 and 2003
Ms Matthey has spoken out ahead of the review to defend Folbigg who became known as Australia's worst female serial killer.
'Medical experts can be wrong and are wrong,' Ms Matthey said.
'She could be innocent.'
Ms Matthey's four children all died at a young age.
Jacob was seven months, Chloe, nine weeks, Joshua, three months, and Shania three-and-a-half when they were found dead by their mother.
Now Ms Matthey has defended Folbigg, who is serving a 30-year sentence for the murder of her children.
Folbigg's was convicted after experts testified it would be impossible for four children in the same family to die of cot death.
Other evidence used against Folbigg included diary entries where she said all she wanted was for her daughter to shut up and 'one day she did'.
Matthey said by speaking out she hopes it will help to overturn Folbigg's conviction and help both of them clear there names in the 'court of public opinion'.
She said she can understand being judged in the court of public opinion and the deaths of all the children could just as easily have been a result of a 'medical mystery' like in her own case.
'[I'm] someone dealing with an unimaginable amount of
