BABY-killer nurse Lucy Letby has launched a fresh attempt to appeal against her convictions.
A panel of three judges is considering the case.
The details of her bid, which began yesterday at the Court of Appeal in London, can’t be reported for legal reasons.
But it can be revealed that Letby, 34, wants to challenge her convictions on four grounds involving arguments that the judge at her trial wrongly refused legal applications.
Letby, of Hereford, got 14 whole life terms last August after being found guilty of murdering seven babies and trying to kill six others at the neo- natal unit of The Countess of Chester Hospital between 2015 and 2016.
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If the judges reject her bid, the second attempt to challenge her guilt, it will be the end of the appeal process.
She faces a retrial in June over one attempted murder case.
Earlier in the year The Sun reported on how evil Letby was given a key to her own cell in a private prison.
The killer nurse is serving a whole life sentence without parole for murdering newborns and trying to kill six more.
The parent of one of the babies Letby murdered told the Sunday People: "We thought they were throwing away the key.
"Now we find out that she has her own key."
A spokesman for HMP Bronzefield confirmed that some inmates at the prison are given their own keys.