FOR months, tearful Irene Mourtzoukou begged the nation to believe she had nothing to do with a string of baby murders.
Then, the 25-year-old mum admitted to killing four babies - including her own children.
Her long-awaited confession came in July, after authorities charged her with serial intentional homicide and the attempted suffocation of four babies, who died in western Greece .
She is now being held in Greece’s top-security prison .
Mourtzoukou told police she killed her first victim - her 18-month-old sister - in 2014, when she was just 14.
At the time, the child's death was attributed to "respiratory complications" and went unquestioned.
But Mourtzoukou later told cops she killed the baby to get back at her mother after a fight.
She also admitted to her role in