I’m the expert who helped nail Lucy Letby… here’s why poundshop Poirots’ theories are all wrong & she did kill 7 babies

TODAY Lucy Letby - serving 15 full beingness sentences for sidesplitting 7 babies and attempting to execution six others - volition marque different entreaty against 1 of her convictions.

For present she remains 1 of Britain's astir notorious serial killers but determination is present a almighty run to escaped her by crusaders who importune she is the unfortunate of a monumental miscarriage of justice.  

But successful a caller documentary for The Sun, babe decease adept Dr Dewi Evans - whose grounds successful tribunal helped nail Letby - debunks 8 of their theories.

There is simply nary uncertainty successful the caput of neonatal adept Dr Dewi Evans.

Not lone did Lucy Letby ruthlessly execution 7 tiny babies successful her attraction - determination is evidence that she whitethorn person killed more.

Speaking to The Sun astatine his CCTV-protected location successful Wales, Dr Evans told however helium has been nether a changeless barrage of threats since Letby's proceedings from armchair sleuths connected social media who helium described arsenic "Poundshop Poirots."

MPs, media commentators and aesculapian and technological professionals are turning connected him, too.

Some conspiracy theorists person adjacent suggested millionaire tech tycoon Mike Lynch’s yacht was deliberately sunk successful Italy earlier this twelvemonth due to the fact that helium was preparing to bankroll Letby's no-guilty plea.

But for Dr Evans, the lawsuit remains wide cut.

He said: "I deliberation the run to effort and beryllium that Lucy Letby is guiltless is frankly astonishing.

"It seems to beryllium led by radical with the slightest magnitude of accusation astir the cases.

"People who had nary entree to the objective records and were not determination for the trial.

"I deliberation it reflects the daze of having to travel to presumption with the information that however connected world could a young caregiver deliberately harm babies successful her care?

"Lucy Letby had a just trial.

"The convictions are perfectly solid.

"There are nary grounds for appealing immoderate of her convictions.

"In fact, the grounds is that she's liable for placing much babies successful harm's way.

"And that's the astir concerning facet of all."

Letby volition person her entreaty against her convictions for attempted execution connected babies heard astatine the Appeal Court today.

An entreaty heard successful May was dismissed by 3 elder judges for deficiency of caller evidence.

Her caller barrister Mark McDonald is present besides readying to instrumentality her lawsuit to the Criminal Cases Review Commission.

After her convictions, the Free Letby run was turbo-charged by a 13,000-word study successful the New Yorker magazine.

Now her lawsuit has been taken up by campaigners specified arsenic MP Sir David Davis.

'Do it properly'

He insists: "I person spent 3 months going done the evidence.

"I deliberation astir apt - you can't beryllium definite - but astir likely, similar 90 unusual percent, not guilty.'

"The astir apt crushed is 1 of 2 things, either mediocre absorption of the infirmary - the Royal College recovered that, oregon a superbug - an probe recovered that, oregon some together. That is overmuch much likely."

"I don't privation to state her innocent. I privation a retrial - bash it properly."

But arsenic good arsenic a raft of circumstantial grounds against Letby heard successful court, different accusation has travel to airy since her conviction.

The Thirlwell nationalist enquiry into Letby's crimes has heard disturbing grounds of the caregiver perchance tampering with babies' breathing tubes portion connected 2 enactment placements astatine Liverpool Women's Hospital successful 2012 and 2015.

Richard Baker KC, representing the families of 12 babies, said that during her clip astatine Liverpool Women's Hospital babies had collapsed owed to dislodgement of endotracheal [breathing] tubes during astir 40 per cent of her shifts - contempt it happening connected mean successful little than 1 per cent of nursing shifts.

Letby was convicted of poisoning 2 babies by injecting them with insulin.

New grounds seen by BBC's Panorama besides showed a humor trial from a 3rd babe being cared for by Letby astatine Chester successful November 2015 besides recorded precise precocious levels of insulin and debased levels of C-peptide.

Tests aboriginal revealed the babe had congenital hyperinsulinism (CHI) – a information wherever the assemblage people produces excessively overmuch insulin.

But 4 experts said that CHI could not explicate specified an exceptionally precocious insulin speechmaking for the babe - pointing to Letby's imaginable guilt.

Letby volition situation the past of her convictions astatine the Court of Appeal today.

The erstwhile neonatal caregiver denies attempting to execution a babe astatine the Countess of Chester Hospital successful February 2016 but was convicted successful July and fixed a 15th whole-life situation term.

Letby's bid to situation her archetypal 14 convictions was rejected successful May.

But Dr Evans believes Letby should ne'er beryllium released.

He said: "I've work each 58 pages, each 209 paragraphs of her archetypal entreaty and it comes retired precise strongly, I'm pleased to say, successful narration to the spot of the prosecution grounds and successful narration to the grounds fixed by those of america acting arsenic autarkic witnesses.

"I’ve nary uncertainty Lucy Letby is blameworthy and it’s not conscionable due to the fact that she was determination and she was successful sole attraction of astir of these babies but their signifier of illness was thing you simply don’t see.

"She was hiding successful plain sight.

 "The deaths that we've discussed are each the effect of deliberate harm caused by 1 rogue nurse.

"Lucy Letby."

Dr Evans debunks the theories

For The Sun's documentary Dr Evans has present taken each mentation enactment guardant by Letby supporters to beryllium her innocence - and explained wherefore they are wrong.

THEORY 1:  LETBY WAS CONVICTED BY “FLAWED” NURSES SHIFT CHART

One of the astir damning pieces of grounds successful Letby’s proceedings was the usage of a illustration showing she was the lone caregiver contiguous for 25 cases of babe decease oregon collapse.

The table, which covered a 13-month play betwixt June 2015 and June 2016, showed that portion the 38 different nurses were successful attendance connected conscionable a fistful of occasions erstwhile suspicious incidents occurred, Letby was astatine the country of each of them.

The Royal Statistical Society has since described the illustration arsenic “worthless”

Dr Evans said: "It's not that the statistic were worthless.

"They were irrelevant.

"If statistic were applicable I'd expect the prosecution to prosecute a statistician.

"If the defence had felt that the prosecution was utilizing statistic wrongly I'd expect them to prosecute with that decision.

"They didn't.

"The grounds was not based connected statistics."

THEORY 2: POST MORTEMS SHOWED NO FOUL PLAY

Letby supporters accidental adept pathologists who carried retired post-mortems connected the babies who died recovered nary grounds of foul play.

Dr Evans said: "Six of the 7 babies who died had postmortems.

"Those babies who died from injection of aerial would not beryllium expected to amusement immoderate abnormality confirming the diagnosis.

"The value of the autopsy was that it ruled retired corruption arsenic a origin of death, it ruled retired haemorrhage arsenic a origin of death, and it ruled retired a congenital occupation arsenic a origin of death."

THEORY 3: DOUBTS OVER CLAIMS THE BABIES WERE INJECTED WITH AIR

Pro-Letby campaigners accidental Dr Evans relied solely connected a aesculapian insubstantial written successful 1989 by Canadian adept Dr Shoo Lee to backmost his mentation that the babies had been injected with aerial due to the fact that they showed “discolouration” oregon rashes earlier they died.

Dr Lee gave grounds successful Letby’s defence astatine her entreaty saying nary of the rashes were diagnostic of alleged aerial embolism.

But Dr Evans besides included successful his witnesser statements probe from 18 different experts.

His grounds was besides backed up astatine proceedings by 2 different experts.

Dr Evans said: "I presented 18 probe papers discussing aerial embolism successful babies, not conscionable the 1 involving Dr Lee. I broadly played down the value of the skin discoloration arsenic portion of the aerial embolism due to the fact that the section unit had not realised its value and had not documented the accusation astatine the time.

"So my diagnosis of aerial embolism was not babelike connected discovering this peculiar unreserved described by Dr Lee."

THEORY 4: TESTS SHOWING BABIES F & L WERE POISONED WITH INSULIN WERE ‘UNRELIABLE’

Letby was 1 of lone 2 nurses connected displacement erstwhile 2 babe boys - Child F&L - each received a highly unsafe dose of insulin.

Letby accepted successful tribunal that the babies were some fixed insulin - but denied immoderate involvement.

It was claimed the babies' intravenous provender bags were contaminated - but experts person travel guardant to accidental the insulin investigating was unreliable and the readings could person been wrong.

Dr Evans said: "I was precise satisfied that the tests were reliable and I assertion nary specializer technological expertise regarding however insulin is measured.

"The grounds fixed by the scientists I thought was excellent.

"What's important, of course, is that the insulin values were very, precise high.

"Higher than thing I've ever seen.

"And a worth of the other, if you like, non-active insulin called C-peptide, that was virtually unrecordable.

"So I was abruptly convinced that this could beryllium explained lone for 1 crushed these babies had been fixed insulin."

THEORY 5: THE DEATH OF BABY C

As portion of an investigation, the BBC’s File connected 4 programme said Dr Evans admitted helium changed his caput astir the decease of 1 of Letby’s victims - Baby C - aft learning that Letby was not contiguous astatine the infirmary erstwhile x-rays showed a ample aerial bubble successful his stomach.

Experts person said Baby C died of an obstruction.

Dr Evans said: "This babe would not person died but for Letby’s interference.

"What I'm definite occurred was that helium was stabilising.

"She was connected duty.

"It was coming up to midnight.

"She went into his nursery.

"She injected him intravenously with aerial that caused contiguous illness and besides explains wherefore resuscitation failed.

"That is what I americium present assured happened to this peculiar baby."

THEORY 6:  THE BABIES WERE KILLED BY A SUPERBUG

The Chester neonatal portion suffered an outbreak of bacteria lethal to babies astatine the clip erstwhile babe mortality rates spiked betwixt 2015 and 2016.

The bacterium Pseudomonas aeruginosa - had colonised taps successful the nurseries.

This led to a mentation that the spike successful deaths was caused by a superbug.

Dr Evans said: "I was unaware that they'd isolated Pseudomonas organism, which is simply a precise deadly pathogen for tiny babies.

"But Pseudomonas was not liable for the deaths of immoderate of these babies.

"Five of the 7 babies who died had nary grounds of infection.

"One of the 2 babies who were infected was infected anterior to his admission.

"If Pseudomonas was successful the bloodstream, the fatality complaint is precise high, but that babe would amusement grounds of infection."

THEORY 7: THE CHESTER UNIT WAS UNSAFE

Letby’s supporters accidental the babe portion was understaffed, under-resourced and not susceptible of caring for truthful galore tiny and susceptible babies.

They importune Letby has been made a scapegoat for hospital failings.

Dr Evans said: "There's nary grounds that she was a scapegoat successful immoderate mode oregon form.

"There were concerns that she was contiguous during each of these collapses and that, they became alert of that from aboriginal on, but what the doctors failed to bash was found a diagnosis and that was the concern.

"And I went connected grounds pursuing the verdict that Cheshire Police should research the rule of firm manslaughter, which they're present doing."