Lucy Letby timeline: Everything you need to know ahead of 'significant press conference'

Lucy Letby supporters threw a enactment for her 35th day astatine a pub with glasses of prosecco, homemad (Image: Chester Standard / SWNS)

TIMELINE

January 2012 - After graduating Lucy Letby starts enactment astatine the Countess of Chester Hospital, wherever she was fixed a afloat clip relation connected the neonatal ward wherever she was known arsenic a trusted colleague.

Early 2015 - Letby completes a specializer grooming course, which means she is 1 of precise fewer unit connected the ward qualified to attraction for the sickest babies successful the high-dependency and intensive attraction nurseries.

8 June 2015 - Lucy Letby murders Baby A, a twin, by injecting aerial into his bloodstream, little than an hr aft she is made his designated nurse. Doctors accidental the babe lad was successful a bully information and was breathing "in air" without other oxygen assistance and being fixed expressed bosom milk.

After a 30-minute handover, astatine 8pm Letby becomes the designated caregiver for Baby A. At 8:26pm she calls a doc to the baby’s incubator and the on-call advisor is besides alerted.

Both doc and advisor enactment an "odd discolouration" connected the boy's skin, patches of pinkish implicit bluish tegument that look and disappear. Despite resuscitation attempts, Baby A dies astatine 8:58pm.

(FILES) A handout representation released by Cheshire Constabulary constabulary unit successful Manchester connected August 17, 2 (Image: Cheshire Constabulary/AFP via Ge)

9 June 2015 - Letby attempts to termination the duplicate sister of Baby A erstwhile her parents are persuaded to get immoderate remainder aft keeping vigil by her bedside pursuing the decease of her brother. The baby’s illness comes conscionable 27 hours aft Baby A's death. She stopped breathing astatine astir 12:30am and looked "as her member had done, airy achromatic and with this purple blotched discolouration", her designated caregiver told the court. On-call registrar, Dr Rachel Lammy, is alerted and the babe miss recovers rapidly erstwhile resuscitated. The consequent proceedings heard the illness was caused aft Letby injected aerial into her bloodstream - the aforesaid method utilized to termination her brother.

 14 June 2015 - Baby C dies aft Lucy Letby injects aerial into his tummy done a chemoreceptor tube. Problems with his maturation successful the womb meant helium was delivered astatine conscionable 30 weeks, weighing little than a container of sweetener but doctors thought helium was getting better, and his breathing enactment was reduced. But successful the aboriginal hours of 14 June helium abruptly collapses aft his designated caregiver leaves the country briefly. The babe recovers quickly, but conscionable 15 minutes aboriginal collapses again - wherever Letby is seen astatine his cot broadside erstwhile more. He stops breathing again, but contempt a clang call, does not recover. Just hours aft kid C dies, Letby searches connected Facebook for the youngster's parents.

 22 June 2015 - Lucy Letby murders Baby D by intentionally injecting aerial into her bloodstream. The babe miss was calved with a suspected corruption and responded good to attraction - until she deteriorates and collapses 3 times successful the aboriginal hours of 22 June.

Following the 3rd illness doctors and nurses attempted CPR for 28 minutes and springiness six doses of adrenaline. The babe miss besides has the aforesaid antithetic rash, contiguous connected babies A and B, and a "hallmark" of immoderate of the cases successful which Letby injected aerial into the bloodstream of a victim.

Letby sends "many messages" to friends successful the aftermath of babe D's decease and the preceding deaths and collapses successful which she suggested they could each intelligibly beryllium explained arsenic earthy causes.

She aboriginal tells constabulary she could not explicate wherefore she had searched connected Facebook for babe D's parents successful the aftermath of her death.

June 2015 - The caput of the neonatal ward orders an interior reappraisal into the deaths of Babies A, C and D, and the illness of Baby B, which each occurred wrong 2 weeks of each other.

4 Aug 2015 Baby E, an identical duplicate boy, dies aft Lucy Letby injects aerial into the bloodstream. He was expected to beryllium calved astatine Liverpool Women's Centre, but connected the time of their commencement the infirmary was afloat truthful their parent was sent to the Countess of Chester. As his parent delivers bosom beverage to the unit, she could perceive Baby E "screaming" and sees humor coming retired of his mouth. The boy's humor nonaccomplishment yet amounted to a 4th of each humor successful his body, with a doc saying helium had "never seen specified a immense bleed successful a babe of that size". After a fig of collapses, Baby E is fixed CPR for 47 minutes, but doctors determine not to proceed aft noting helium has been without oxygen for 15 minutes. He is fixed to his parents to cuddle arsenic helium passes away.

Letby goes connected to amusement a "very antithetic interest" successful Baby E's family, with societal media searches connected them 2 days aft the youngster's decease and again connected galore occasions successful the pursuing months, including connected Christmas Day.

5 Aug 2015 - The time aft murdering Baby E, Lucy Letby uses insulin for the archetypal clip to poison and effort to execution his duplicate brother, Baby F. Baby F is prescribed a TPN (total parenteral nutrition) container of fluids and aboriginal suffers an unexpected driblet successful his humor sweetener levels and surge successful bosom rate.

Checks connected his insulin levels were carried retired which showed "conclusive evidence" idiosyncratic had fixed him insulin to poison him.

No different babe connected the neonatal portion was prescribed insulin truthful Baby F could not person received the cause intended for immoderate different kid by negligence.

Undated handout record photograph issued by Cheshire Constabulary of Lucy Letby. A judge-led statutory inqu (Image: PA)

7 Sept 2015 - Lucy Letby makes her archetypal effort to execution Baby G, an highly premature babe girl, by feeding her an excessive magnitude of milk. Despite her size, Baby G vomits retired of her cot and connected to a adjacent seat and the floor. She suffers a illness and is not breathing. She is moved backmost to the infirmary wherever she was calved and, aft recovering quickly, is returned to Chester connected 16 September. 

21 Sept 2015 - Letby makes 1 much effort to execution Baby G, again by over-feeding and injecting aerial into her stomach. On the greeting of 21 September, aft being fed by Letby, the babe miss projectile vomits erstwhile more, and stops breathing briefly. But she recovers by the clip a inferior doc is called and stabilises herself.

Baby G has been near "severely disabled" arsenic a effect of the episodes.

30 Sept 2015 - Letby makes her archetypal effort astatine trying to execution Child I, a babe girl, during a time shift. She attempts to inject aerial into the baby’s tummy done a nasogastric tube.

12 Oct 2015 Letby tries doubly much to execution Baby I, connected 12 and 13 October. In the 2nd incident, a nighttime displacement workfellow recalls Letby lasting successful the doorway of a darkened country successful the neonatal portion erstwhile she notes Baby I looks pale. The workfellow turns connected the airy and sees the bay "appeared to beryllium astatine the constituent of decease and was not breathing".

An adept paediatrician who reviewed Baby I’s lawsuit concluded the youngster’s deteriorations were accordant with the deliberate medication of a ample magnitude of aerial into her tummy via a nasogastric tube.

23 Oct 2015 - Letby murders Baby I. The babe miss collapses successful the aboriginal hours and requires thorax compressions. She is successfully resuscitated and recovers to the grade she shows signs of hunger.

Child I's parent is called astatine location and told she and her spouse needed to spell to the infirmary immediately. Less than a hr aboriginal the child’s show alarm sounds and a workfellow of Letby responds to find the caregiver lasting by the child’s incubator. The caregiver wanted to intervene arsenic kid I was "distressed", but Letby says she "would beryllium capable to benignant it".

Baby I collapses and dies aft attempts to revive her, led by a registrar, are unsuccessful.

An adept paediatrician believes connected the last juncture the kid has been injected with aerial into her bloodstream, which led to her "screaming", followed rapidly by her collapse. Letby is past said to person sent the babe girl's parents a sympathy card.

October 2015 - Senior doctors yet spot a signifier betwixt babe collapses and Lucy Letby's presence. The consultants effort to rise the alarm with elder management, but nary 1 believes anyone was deliberately harming babies.

Feb 2016 - A 2nd reappraisal is ordered pursuing the unexpected deaths of 5 babies successful conscionable implicit fractional a year, and six much suffering adjacent deaths portion connected the ward. It is referred up to elder managers, with inspectors raising concerns astir staffing levels.

The study says whilst they could find "no definitive mentation for an summation successful mortality rates" they had identified "significant gaps successful aesculapian and nursing rotas, mediocre decision-making and insufficient elder cover".

9 April 2016 - Letby is moving a time displacement erstwhile she attempts to execution duplicate boys Babies L and M.

She gives an unauthorised dose of insulin to Baby L and, and portion that onslaught is underway, turns her attraction to babe M by administering aerial into his circulation.

Baby M comes "close to death" aft his bosom complaint and breathing driblet dramatically without warning, but improves connected the night-shift and goes connected to marque a speedy recovery.

3 June 2016 - Letby attempts to execution Baby N. The babe lad suffers a abrupt lowering of his humor oxygen levels to life-threatening levels. Unusually for specified a small, premature babe helium is crying and screaming, and helium recovers aft exigency assistance from doctors and nurses.

Independent aesculapian experts said the baby's abrupt deterioration was accordant with immoderate benignant of "inflicted injury" oregon him having received an injection of air.

23 June 2016 -  Baby O, who is successful a bully information and stable, suffers a "remarkable deterioration" arsenic Lucy Letby begins enactment aft returning from a vacation to Ibiza. Letby injects his feeding conduit with air, which blocks his humor supply, causing him to collapse. A caregiver asks if helium should beryllium moved into different nursery to beryllium much intimately monitored, but Letby refuses.

At astir 2:40pm, aft Letby gives Baby O immoderate fluids, helium suffers different driblet successful his oxygen levels and bosom rate. He is fixed oxygen via a disguise and intubated. A rash is seen connected Baby O, akin to those seen connected different babies who died. An hr later, the babe abruptly collapses again, helium concisely stablises, but helium collapses again and CPR begins. The babe stablises again, but a small implicit an hr aboriginal CPR begins again. A determination is made to halt resuscitation 25 minutes aboriginal and helium is enactment into his mother's arms pronounced dead. A post-mortem introspection recovered Baby O suffered a liver wounded akin to a roadworthy postulation collision which experts accidental cannot person travel from CPR.

24 June 2016 - Baby P suffers an "acute deterioration" arsenic preparations are enactment successful spot to determination him to different hospital. But, conscionable earlier the planned transfer, Lucy Letby tells a doctor: "He's not leaving live here, is he?" Shortly after, Baby P collapses and dies.

July 2016 -  Hospital bosses scope the 'tipping point' and Letby is removed from the portion pursuing the decease of triplet brothers. Nurses connected the neonatal portion are besides sent an email telling them arsenic portion of an outer reappraisal they volition beryllium taxable to 'individual objective supervision' opening with unit progressive successful galore of the acute events. It is claimed Letby has agreed to beryllium the archetypal to acquisition the supervision. Letby is enactment connected administrative duties with the 'patient acquisition team' earlier starting a three-month secondment successful the Risk and Patient Safety Office.

Sept 2016 - Letby attends ceremonial reappraisal with her national rep, earlier taking retired a grievance against the infirmary for the move.

May 2017 - The Countess of Chester Hospital NHS Foundation Trust brings successful Cheshire Police to assistance with the ongoing review.

Hospital bosses contented a connection to say: "As a infirmary we person taken the objective reappraisal arsenic acold arsenic we can.

"We person present asked for the input of Cheshire Police to question assurances that alteration america to regularisation retired unnatural causes of death." 

3 July 2018 - Letby is arrested connected suspicion of 8 counts of execution and six counts of attempted murder. Her location astatine Arran Avenue, Hereford, is searched by constabulary pursuing her arrest. She is released connected bail pending further enquiries 3 days later. After her arrest, the probe is widened to see Liverpool Women's Hospital. No grounds that patients astatine the infirmary came to immoderate harm was recovered during the investigation.

10 June 2019 - Letby is arrested a 2nd clip connected suspicion of 8 murders and 9 attempted murders. She is bailed erstwhile much pending further enquiries.

10 Nov 2020 - Letby is arrested for the 3rd and last time.

11 Nov 2020 - Letby is charged with 8 counts of execution and 10 counts of attempted murder. She is denied bail and remanded successful constabulary custody.

10 Oct 2022 - The execution proceedings of Letby begins astatine Manchester Crown Court. She pleads not blameworthy to 7 counts of murder, and 15 counts of attempted execution relating to 10 babies.

18 Aug 2023 - Letby is recovered blameworthy of 14 of 22 charges against her. After 22 days of deliberation a assemblage finds Letby blameworthy of murdering 7 newborn babies, and attempting to execution a further six.