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That was until 2020 when new DNA investigative techniques led to a breakthrough in the haunting cold case.

Last year, a cold case unit review board composed of homicide detectives, crime analysts, prosecutors and district attorney investigators reopened the case.

The cold case investigators have also seen and eliminated more than one thousand other men as being the source of the DNA.

But the truth was detectives had, finally, cracked a cold case that had lingered unsolved on the books of Cheshire Police for 25 years.

Joanne Sharkey, from Liverpool, was identified as the baby's mother in July 2023 after cold case detectives found a DNA match for her older son, Matthew Sharkey, who had been arrested on suspicion of an unrelated offence.