Today in Focus Lucy Letby and the medical experts who believe she is innocent
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Feb 11, 2025 
Felicity Lawrence, an investigative reporter known for her deep coverage of the Lucy Letby case, discusses significant doubts surrounding Letby’s conviction. She highlights medical experts who label the prosecution's theories as implausible, and questions the reliability of evidence, particularly concerning insulin levels. The emotional impact on affected families is also discussed, as they grapple with potential miscarriages of justice. This gripping conversation raises important issues about accountability in the healthcare and legal systems.
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Letby's Conviction
- Lucy Letby, a neonatal nurse, was convicted of murdering seven babies and attempting to kill another seven.
- The prosecution argued Letby used methods like injecting air into bloodstreams and insulin poisoning.
Air Embolism Theory Challenged
- The prosecution claimed Letby injected air into babies' bloodstreams, either via feeding tubes or directly into veins.
- Experts challenged this, stating that harming a baby via a feeding tube is medically implausible.
Insulin Poisoning Evidence Challenged
- Letby was accused of poisoning babies with synthetic insulin, supported by the presence of insulin and low C-peptide levels.
- Experts now argue the insulin test used is unreliable for forensic purposes and shouldn't be used in trials.