Munchausen Syndrome: Did killer nurse Lucy Letby have pathological condition?

Members of the media work near a large screen showing a picture of convicted hospital nurse Lucy Letby, ahead of her sentencing, outside the Manchester Crown Court, in Manchester, Britain, August 21, 2023. REUTERS/Phil Noble

Lucy Letby’s motives are still unknown. (Reuters)

As the most prolific child serial killer in modern British history, Lucy Letby’s case has left victims’ families and the public with one major question – why did she do it?

The nurse maintained her innocence through her long-running trial but will now spend the rest of her life behind bars after being convicted of murdering seven babies and trying to kill six others while she worked on the neonatal unit at the Countess of Chester Hospital.

Sentencing her to a whole life order Mr Justice Goss said there was a “malevolence bordering on sadism” in her actions, and that she had “no remorse”. in your actions.

Prosecutors never advanced a motive as they outlined the allegations against her to the jury and speaking after her trial, detectives said the reason for Letby’s killing spree may never be known.

Experts have suggested that Letby may have been suffering from Munchausen syndrome by proxy – a disorder where a caregiver may harm someone in their care to get attention.

Watch: Who is Lucy Letby? The ‘average’ nurse who became Britain’s most notorious child killer

While parallels have been drawn between Letby and serial killers Myra Hindley and Rose West, more appropriate comparisons might be to historic cases of killer nurses, such as Beverley Allitt from the UK and Charles Cullen in the US, they suggested.

Allitt, 54, targeted 13 victims during a 59-day spree which saw her kill four babies and poison nine others at Grantham and Kesteven Hospital, Lincolnshire, in 1991.

Cullen, 63, murdered dozens, possibly hundreds, of patients during a 16-year career spanning several medical centres in the American state of New Jersey.

Criminology expert Dr Dominic Willmott said Letby may have been motivated by a “pathological desire for attention and sympathy”, with her text messages showing she wanted to “garner sympathy” from colleagues after the children’s deaths.

Read more: Lucy Letby: What happened to each baby murdered by nurse

MANCHESTER, ENGLAND - AUGUST 18: (L-R) Pascale Jones of the Crown Prosecution Service, the Deputy Senior Investigating Officer, Detective Chief Inspector Nicola Evans and Janet Moore, Police Family Liaison officer read out statements outside Manchester Crown Court after nurse Lucy Letby was found guilty of murdering seven babies, on August 18, 2023 in Manchester, England.  Letby, a former nurse at Countess of Cheshire Hospital, was convicted of murdering seven babies, and attempting to murder six more, in the hospital's neonatal ward between 2015 and 2016. (Photo by Christopher Furlong/Getty Images)

Police have said we may never know what Letby’s motives were. (Getty)

The criminologist, a senior lecturer in criminology at Loughborough University who previously authored a paper on the Beverley Allitt case, said: “In our analysis of healthcare professionals who perpetrate violence against their patients, especially children, offending appeared to be motivated by a pathological desire for attention and sympathy emerging as a consequence of their involvement in the case.

“There was a complex interaction between this and a history of personality disorder diagnoses and characteristics, and were often found to be highly sadistic and narcissistic as described by those who knew them.”

He said text messages released during the trial appear to indicate Letby’s efforts to garner sympathy from her colleagues following the children’s deaths, along with other evidence that she had to be “repeatedly asked to focus on other patients around the time of the death of other babies and her passing on death notifications to family members seems to indicate her desire to be personally involved in the case, even when doing so was likely to raise suspicions about her involvement”.

Watch: Zara Aleena’s aunt calls for reform as Lucy Letby refuses to appear for sentencing

Criminologist Professor David Wilson told the Mail that Letby’s desperation to be acknowledged at work were signs of a ‘hero complex,’ and narcissism, but putting herself at the heart of a crisis was also indivative of Munchausen’s.

He told the newspaper: “She sees herself as a saviour – she has unique skills no other person can possess.

“The other thing is she is creating a crisis around her, which is a form of Munchausen’s.

“Extraordinary stories are being told about what happens when she is on shift. She’s saying, ‘look at all the things that occur when I’m around.'”

James Treadwell, professor in criminology at Staffordshire University, also pointed out similarities between Letby and Allitt, suggesting reasons behind Letby’s crimes could include: narcissism; Munchausen syndrome by proxy; enjoying the risk; using the offences as a means for attention from a doctor prosecutors said she had a “crush” on; or “evil”.

But he said answering ‘how’ the nurse had committed the crimes was more important than ‘why’, so it could be prevented from happening again.

Read more: Lucy Letby: Inside the mind of a serial killer – the psychology behind healthcare murderers

“We’ll never be furnished with a ‘why’ from her, she’ll continue to protest her innocence,” he added.

“It’s with the ‘how’ question you can prevent these things happening again. We had Allitt and Harold Shipman in medical situations, if you don’t answer the ‘how’ question, tragic history, terrible history, bereaved families could happen again.”

What is Munchausen syndrome?

Munchausen syndrome is a rare psychological and behavioural condition in which somebody fabricates or induces symptoms of illness in themselves.

It is named after German aristocrat Baron Munchausen who was famous for telling unbelievable tales about his exploits and past.

Munchausen syndrome by proxy – which it is suggested Letby may have been suffering from – is a variant of Munchausen syndrome where an individual fabricates or induces illness in a person under their care, typically a child.

The NHS website refers to this as Fabricated or induced illness (FII) and calls it “a rare form of child abuse”.

“It happens when a parent or carer exaggerates or deliberately causes symptoms of illness in the child,” the website says.

“The parent or carer tries to convince doctors that the child is ill, or that their condition is worse than it really is.

“The parent or carer does not necessarily intend to deceive doctors, but their behaviour is likely to harm the child. For example the child may have unnecessary treatment or tests, be made to believe they’re ill, or have their education disrupted.”

File court artist sketch by Elizabeth Cook dated 02/05/23 of Lucy Letby giving evidence in the dock at Manchester Crown Court where she is charged with the murder of seven babies and the attempted murder of another ten, between June 2015 and June 2016 while working on the neonatal unit of the Countess of Chester Hospital. Nurse Lucy Letby, 33, has been found guilty at Manchester Crown Court of the murders of seven babies and the attempted murders of six others at the Countess of Chester Hospital. Issue date: Friday August 18, 2023.

Letby denied all the charges against her. (Getty)

What are the symptoms?

According to the NHS website, fabricated or induced illness (FII) covers a wide range of symptoms and behaviours involving parents or carers seeking healthcare for a child, from exaggerating or inventing symptoms, to deliberately making the child ill.

These can include someone:-

  • persuading healthcare professionals that their child is ill when they’re healthy

  • exaggerating or lying about a child’s symptoms

  • manipulating test results to suggest the child is ill, for example, by putting glucose in urine samples to suggest the child has diabetes

  • deliberately inducing symptoms of illness, for example, by poisoning their child with unnecessary medicine or other substances

The NHS adds that cases where the parent or carer wrongly reports symptoms are “much more common” than cases where they induce illness in the child.

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