That morning her mum Ellie Smith woke to find her daughter gone.
For the next 18 days a desperate search for Cleo unfolded, her devastated parents pleaded for her safe return and thousands followed the case, holding their breath.
On the night of November 3, Western Australian detectives broke into a locked home in Carnarvon and found the four-year-old.
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Kelly was arrested in town when officers stopped his car. He was charged the next day and flown under heavy guard to one of Perth’s toughest prisons.
Last year the 37-year-old pleaded guilty to one count of forcibly taking a child under 16.
Tomorrow, Kelly will be sentenced.