BBC News
By Quentin McDermott
image captionKathleen Folbigg, pictured after a court hearing in 2004
Imagine for a moment what it must feel like if, as a mother, you give birth to four children, one after another, each of whom, as infants, dies from natural causes over a 10-year period.
Then imagine being wrongly accused of smothering them all and being sentenced to 30 years in jail for four terrible crimes you did not commit.
That narrative is emerging as potentially the true story of Kathleen Folbigg, an Australian mother from the Hunter Valley region of New South Wales (NSW).
Branded at her trial in 2003 as "Australia's worst female serial killer", Folbigg has already spent nearly 18 years in prison after being found guilty of the manslaughter of her firstborn Caleb, and the murder of her three subsequent children, Patrick, Sarah and Laura.