Lucy Letby's lawyer Mark McDonald has spoken out on what he calls "game changing" evidence that challenges the prosecution's case against the convicted nurse.
Speaking to GB News, McDonald said a recent press conference presented evidence that "demolishes" key aspects of the prosecution's arguments presented at trial.
The developments came as Letby's legal team submitted an application to the Criminal Cases Review Commission (CCRC), which investigates potential miscarriages of justice.
A panel of 14 experts in neonatal care has compiled what they describe as an "impartial evidence-based report" challenging the medical evidence used to convict Letby.
Dr Shoo Lee, who co-authored a 1989 academic paper on air embolism in babies, directly challenged the prosecution's expert evidence regarding air embolism cases.
Speaking at the press conference, Lee said he had "completely misinterpreted" how his research was used by prosecution experts regarding skin discolouration in babies.
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Lee revealed he has recently updated his academic paper and found no cases of skin discolouration linked to air embolism by the venous system.
This contradicts a key prosecution argument that skin discolouration noted in medical records indicated air embolism caused by injecting air into veins.
McDonald revealed that statistical evidence used by the prosecution may have been flawed due to changes at the hospital unit.
He explained that after Letby was removed from duty, the unit was downgraded from intensive care status, meaning seriously ill babies were no longer treated there.
This change in the unit's status affected patient numbers and types of cases handled, potentially undermining the prosecution's statistical assertions about death rates.
The lawyer suggested the prosecution had relied on "basic assertions in terms of statistics" without accounting for these significant operational changes at the hospital.
Letby, 35, is currently serving 15 whole-life orders after being convicted at Manchester Crown Court of murdering seven infants and attempting to murder seven others.
Conservative MP Sir David Davis has described her convictions as "one of the major injustices of modern times".
The CCRC confirmed it has begun assessing Letby's case, which involves "a significant volume of complicated evidence".
The commission emphasised its independence, stating: "It is not for the CCRC to determine innocence or guilt in a case, that's a matter for the courts."
Letby previously lost two bids to challenge her convictions at the Court of Appeal in 2024.
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Speaking to GB News, McDonald said a recent press conference presented evidence that "demolishes" key aspects of the prosecution's arguments presented at trial.
The developments came as Letby's legal team submitted an application to the Criminal Cases Review Commission (CCRC), which investigates potential miscarriages of justice.
A panel of 14 experts in neonatal care has compiled what they describe as an "impartial evidence-based report" challenging the medical evidence used to convict Letby.
Dr Shoo Lee, who co-authored a 1989 academic paper on air embolism in babies, directly challenged the prosecution's expert evidence regarding air embolism cases.
Speaking at the press conference, Lee said he had "completely misinterpreted" how his research was used by prosecution experts regarding skin discolouration in babies.
LATEST DEVELOPMENTS
- Lucy Letby did not murder babies claims medical expert as lawyers apply for miscarriage of justice review
- Baby-killer Lucy Letby's conviction questioned after unearthed papers show she was off duty for third of cases
- Tory MP David Davis demands a re-trial for Lucy Letby as he believes she is '90 odd percent not guilty'
Lee revealed he has recently updated his academic paper and found no cases of skin discolouration linked to air embolism by the venous system.
This contradicts a key prosecution argument that skin discolouration noted in medical records indicated air embolism caused by injecting air into veins.
McDonald revealed that statistical evidence used by the prosecution may have been flawed due to changes at the hospital unit.
He explained that after Letby was removed from duty, the unit was downgraded from intensive care status, meaning seriously ill babies were no longer treated there.
This change in the unit's status affected patient numbers and types of cases handled, potentially undermining the prosecution's statistical assertions about death rates.
The lawyer suggested the prosecution had relied on "basic assertions in terms of statistics" without accounting for these significant operational changes at the hospital.
Letby, 35, is currently serving 15 whole-life orders after being convicted at Manchester Crown Court of murdering seven infants and attempting to murder seven others.
Conservative MP Sir David Davis has described her convictions as "one of the major injustices of modern times".
The CCRC confirmed it has begun assessing Letby's case, which involves "a significant volume of complicated evidence".
The commission emphasised its independence, stating: "It is not for the CCRC to determine innocence or guilt in a case, that's a matter for the courts."
Letby previously lost two bids to challenge her convictions at the Court of Appeal in 2024.
Find Out More...