Manslaughter Arrests of Hospital Bosses Involved in Lucy Letby Baby Deaths

Three people who were part of the senior leadership team at the Countess of Chester Hospital where convicted nurse worked from 2015-16 were arrested on Monday.
Manslaughter Arrests of Hospital Bosses Involved in Lucy Letby Baby Deaths
This undated handout issued by Cheshire Constabulary shows nurse Lucy Letby. Cheshire Constabulary via AP
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Three people who were part of the senior leadership team at the hospital where nurse Lucy Letby was convicted of killing seven babies have been arrested on suspicion of gross negligence manslaughter.

Cheshire Constabulary said in a press statement that the suspects, who occupied senior positions at the Countess of Chester Hospital (CoCH) between 2015 and 2016, were arrested on Monday.

All three have since been bailed pending further inquiries, the force said, adding that corporate manslaughter and gross negligence manslaughter probes are ongoing.

Letby, 35, from Hereford, is serving 15 whole-life orders after she was found guilty of murdering seven infants and attempting to murder seven others, with two attempts on one of the babies, between June 2015 and June 2016.

Calls for Retrial

Letby’s legal team is pushing for a retrial and working with a number of expert doctors and scientists who believe the babies’ deaths can all be explained by medical reasons, but the police statement said the arrests do not impact her convictions.

Following the arrests, senior investigating officer Detective Superintendent Paul Hughes said: “In October 2023 following the lengthy trial and subsequent conviction of Lucy Letby, Cheshire Constabulary launched an investigation into corporate manslaughter at the Countess of Chester Hospital.

“This focuses on senior leadership and their decision-making to determine whether any criminality has taken place concerning the response to the increased levels of fatalities.”

He said that in March, the scope of the investigation widened to also include gross negligence manslaughter.

“This is a separate offence to corporate manslaughter and focuses on the grossly negligent action or inaction of individuals.

“It is important to note that this does not impact on the convictions of Lucy Letby for multiple offences of murder and attempted murder.

“As part of our ongoing inquiries, on Monday June 30 three individuals who were part of the senior leadership team at the CoCH in 2015-2016 were arrested on suspicion of gross negligence manslaughter.”

The Countess of Chester Hospital in Cheshire, England, in an undated file photo. (PA)
The Countess of Chester Hospital in Cheshire, England, in an undated file photo. PA

A spokeswoman for CoCH declined to comment, telling PA it would not be appropriate “due to the Thirlwall Inquiry and the ongoing police investigations.”

Letby’s barrister Mark McDonald said in an emailed statement that the police’s latest announcement has come at a “very sensitive time” and that a proper and full public inquiry into failings by the hospital is needed.

He said: “Yet another press release from the police at a very sensitive time when the Criminal Cases Review Commission are looking at the case of Lucy Letby.

“Despite this, the concerns many have raised will not go away, and we will continue to publicly discuss them.

“The reality is that 26 internationally renowned experts have looked at this case and the lead expert has concluded that 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.”

Letby lost two bids last year to challenge her convictions at the Court of Appeal for the seven murders and seven attempted murders, and separately in October for the attempted murder of a baby girl, which she was convicted of by a different jury at a retrial.

Lady Justice Thirlwall is due to publish the findings from her public inquiry in early 2026, with the scope of this probe being to examine how the nurse was able to carry out the crimes for which she was convicted, but not to reexamine the evidence or question Letby’s guilt.
There has been a growing clamour in the media to allow an appeal following concerns from some experts in statistics and probability, including professors Norman Fenton and Richard Gill, who point to the lack of forensic evidence against Letby and the use of statistics by the prosecution, which relied heavily on the fact that the nurse was present on shift when the unexpected deaths and collapses occurred, although other such events happened when she was not present.
From left, Professor Neena Modi, barrister Mark McDonald, David Davis MP, and retired medic Dr. Shoo Lee take part in a press conference to announce "new medical evidence" from an international panel of neonatologists in connection with the conviction of British nurse Lucy Letby, in London, on Feb. 4, 2025. (Ben Whitley/PA via AP)
From left, Professor Neena Modi, barrister Mark McDonald, David Davis MP, and retired medic Dr. Shoo Lee take part in a press conference to announce "new medical evidence" from an international panel of neonatologists in connection with the conviction of British nurse Lucy Letby, in London, on Feb. 4, 2025. Ben Whitley/PA via AP
In April, a press conference hosted by Conservative MP David Davis and McDonald, heard from retired medic Dr. Shoo Lee, who presented the findings of medical experts who said they had compiled an “impartial evidence-based report” into the infant deaths and collapses Letby was found to have caused.
Lee’s presentation was highly critical of the care provided at Countess of Chester Hospital.

‘Just Bad Medical Care’

He told journalists: “We did not find any murders. In all cases, death or injury were due to natural causes or just bad medical care.”

Lee said that doctors had failed to spot a dangerous bacterial infection in one baby who later died, labelling this a “preventable death.”

The infant victims are identified only by a letter to protect the privacy of the families and the surviving children.

In the case of one victim, Baby K, Letby was convicted of attempting to murder the infant by dislodging her tube, which Lee said was inserted incorrectly by a doctor.

According to the panel of experts, another baby died after suffering a blood clot when doctors left lines into the body without an infusion.

Lee, who coauthored a 1989 academic paper on air embolism in babies, has said previously that this study was misinterpreted by the prosecution at Letby’s trial and incorrectly used as evidence of her guilt.

At the first Letby’s failed appeals, a bid to admit fresh evidence from Lee, who founded the Canadian Neonatal Network which includes 27 hospitals and 16 universities, was rejected.

Claims Chief Witness ‘Unreliable’

In December, McDonald announced he was seeking permission from the Court of Appeal to apply to reopen the case on the grounds that Dr. Dewi Evans, the lead prosecution medical expert at Letby’s trial, was “not reliable.”

McDonald said that Evans had “changed his mind” about the medical cause of death for two of the babies, although the doctor had not changed his opinion that it was murder and that Letby was responsible.

Retired consultant paediatrician Evans said in response that concerns regarding his evidence were “unsubstantiated, unfounded, [and] inaccurate.”

Letby has always maintained her innocence and her legal team said in December that more than 50 experts had come forward to offer their services for free because they believe there may have been a serious miscarriage of justice.

According to the verdict of the court, Letby attacked the infants by various different means while working as a nurse on the neonatal unit, where all the babies were either premature or born with serious health conditions. One such method was said to be injecting air into the bloodstream, causing an air embolism blocking the blood supply and leading to sudden and unexpected collapses.

Letby has been interviewed under caution at HMP Bronzefield in Ashford, Surrey in relation to the ongoing investigation into additional baby deaths and non-fatal collapses at the wards for premature babies where she worked.

In February, the Criminal Cases Review Commission announced it was assessing a preliminary application from Letby’s legal team to recommend reopening the case.

A statement from the body, which works independently of police, the courts, and government, said at the time it was not possible to determine how long its review of the case would take, owing to the volume of evidence.

Police are continuing a review of deaths and non-fatal collapses of babies at the neonatal units of the Countess of Chester and Liverpool Women’s Hospital which happened during Letby’s time as a nurse there from 2012 to 2016.

Rachel Roberts
Rachel Roberts
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Rachel Roberts is a London-based journalist with a background in local then national news. She focuses on health and education stories and has a particular interest in vaccines and issues impacting children.