Killer nurse Lucy Letby could face additional charges after police submitted evidence of further allegations relating to baby deaths at two hospitals where she worked.
The Crown Prosecution Service confirmed it had received “a full file of evidence from Cheshire Constabulary” concerning deaths and non-fatal collapses at the Countess of Chester Hospital and Liverpool Women’s Hospital.
A CPS spokesman said: “We will now carefully consider the evidence to determine whether any further criminal charges should be brought.”
“As always, we will make that decision independently, based on the evidence and in line with our legal test.”
Letby, 35, is serving 15 whole-life orders after being convicted of murdering seven babies and attempting to murder seven others between June 2015 and June 2016.
The former neonatal nurse is seeking to overturn her convictions through the Criminal Cases Review Commission, having lost two appeals at the Court of Appeal.
Cheshire Police confirmed they had submitted evidence as part of Operation Hummingbird, their investigation into deaths at neonatal units between 2012 and 2016.
“We can confirm that Cheshire Constabulary has submitted a full file of evidence to the CPS for charging advice,” a spokeswoman said.
The number and exact nature of potential new offences has not been made public.
The Daily Mail reported consideration of any new charges will involve the Government’s most senior lawyers.
Director of Public Prosecutions Stephen Parkinson and Attorney General Lord Hermer KC are expected to be involved in the decision-making process.
The development emerged hours after three former senior hospital managers were arrested on suspicion of gross negligence manslaughter.
The unnamed individuals occupied leadership positions at the Countess of Chester Hospital during 2015-2016 when Letby committed her crimes.
All three were arrested on June 30 and have been released on bail pending further inquiries.
Detective Superintendent Paul Hughes said the investigation launched in October 2023 initially focused on corporate manslaughter.
In March 2025 the scope of the investigation widened to also include gross negligence manslaughter,” he said.
This is a separate offence to corporate manslaughter and focuses on the grossly negligent action or inaction of individuals.
He stressed: “It is important to note that this does not impact on the convictions of Lucy Letby for multiple offences of murder and attempted murder.
The corporate manslaughter probe examines whether senior leadership breached their duty of care by ignoring warnings about Letby.
Evidence presented during trials showed consultants raised concerns about Letby’s presence during unexplained baby collapses as early as 2015.
Letby worked at Liverpool Women’s Hospital during two training placements between October and December 2012, and January and February 2015.
Police are reviewing approximately 4,000 admissions at both hospitals during her employment to identify any suspicious cases.
Letby’s barrister Mark McDonald criticized the timing of the police announcement.
Yet another press release from the police at a very sensitive time when the CCRC are looking at the case of Lucy Letby,” he said.
McDonald claimed 26 international experts had examined the case, with the lead expert concluding “no crime was committed, no babies were murdered.
“What is needed is a proper and full public inquiry into the failings of the neonatal and paediatric medical care unit at the Countess of Chester Hospital,” he added.
The Thirlwall Inquiry into circumstances surrounding the deaths is ongoing, with findings expected in early 2026.
Letby was convicted following a 10-month trial at Manchester Crown Court, one of the longest murder trials in British legal history.
Prosecutors presented evidence including altered medical records, suspicious insulin levels, and handwritten notes where Letby wrote “I am evil I did this.”
She became only the fourth woman in UK history to receive a whole-life order, meaning she will never be eligible for release.
The investigation continues to examine deaths and collapses at both hospitals during Letby’s employment from 2012 to 2016.
Police said there are no set timescales for completing the corporate and gross negligence manslaughter investigations.
The Countess of Chester Hospital declined to comment due to the ongoing police investigation and public inquiry.
Liverpool Women’s NHS Foundation Trust has also been contacted for comment regarding the latest developments.
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