Dr John Gibbs worked at the same hospital as Lucy Letby when the murders took place. In a new Netflix documentary, he admits there is one question that lingers in his mind.
Letby was a neonatal nurse at the Countess of Chester Hospital. In 2023, she was sentenced to life imprisonment for the murder of seven babies and the attempted murder of seven others between 2015 and 2016.
It remains one of the most notorious cases in modern British criminal history. While a jury found Letby guilty after a 10-month trial, the conviction has since been scrutinised by a number of experts, including lawyer Mark McDonald and retired neonatologist Dr Shoo Lee, whose research was relied upon by the prosecution.
Dr Gibbs, a retired consultant paediatrician, appears in


