Here's a timeline of what happened and the concerns raised. The first alarm was raised after the first 3 deaths. If the hospital managers acted then, it could have stopped there. You can't blame the doctors that repeatedly raised concerns and asked for reviews for not doing enough, when the higher ups did nothing.
Murder of Child A
8 June 2015
Child A was born six weeks premature along with his twin sister, Child B, and was days old and healthy when he is handed over to Letby on the night shift. Thirty minutes later he “deteriorates rapidly”. He dies within 90 minutes of Letby coming on duty.
Sex
Boy
Method
IV air embolism
Offence
Attempted murder of Child B
8-11 June 2015
Letby injects Child B with air about 28 hours after murdering the newborn’s twin brother. She survives after being resuscitated. Subsequent tests show loops of gas-filled bowel – a finding later replicated in several babies over the following year.
Sex
Girl
Method
IV air embolism
Offence
Murder of Child C
14 June 2015
Child C was born seven weeks premature weighing 800g (1lb 12oz) but was in good condition. Letby is seen standing over his monitor as his alarm sounded, despite not being his designated nurse. He dies as a result of air being injected into his stomach.
Sex
Boy
Method
Air inserted into stomach (not bloodstream)
Offence
Murder of Child D
22 June 2015
Letby injects air into Child D’s bloodstream, causing her to collapse three times in the early hours of 22 June 2015. Her third collapse is fatal. Those attending noticed discolouration on the baby’s skin.
Sex
Girl
Method
IV air embolism
Alarm raised
2 July 2015
Dr Stephen Brearey, the head consultant on the neonatal unit, carries out a review of the three unusual deaths in June 2015. Alison Kelly, the director of nursing and deputy chief executive, is told that Letby was the only nurse on shift for each of the deaths, the trial was told. Letby remains on the neonatal unit.
Offence
Murder of Child E
4 August 2015
Child E was born seven weeks premature along with his twin brother, Child F, and weighed less than 1.4kg (3lbs). His mother walks in on Letby trying to murder the newborn after arriving on the unit with his milk. He dies after suffering a fatal bleed believed to be the result of Letby interfering with his nasogastric tube.
Sex
Boy
Method
IV air embolism and bleeding from trauma
Offence
Attempted murder of Child F
5 August 2015
Letby laces Child F’s feeding bag with insulin less than 24 hours after murdering his twin brother. A blood sample later confirms “extremely high” insulin levels and very low C-peptide levels – proof he had been injected with insulin.
Sex
Boy
Method
Insulin
Offence
Attempted murder of Child G
7 September 2015
The most premature of all babies in the case, Child G was born 15 weeks early and weighed just over 450g (1lb). Letby tries to kill her three times over three weeks, the first time on the day of her 100th day alive. Child G, now eight, is severely disabled as a result of the attacks.
Sex
Girl
Method
Extra milk and air via nasogastric tube
Offence
Attempted murder of Child G
21 September 2015 (10.15am)
Five days after Child G returned from Arrowe Park hospital, where she had been taken following an earlier attempt to kill her, Letby again tries to take the little girl’s life. This time she is suspected of harming her while feeding her at around 10am.
Sex
Girl
Method
Unknown
Offence
Murder of Child I
23 October 2015
A murder described in court as “persistent, calculated and cold-blooded”, Letby kills Child I on her fourth attempt after inserting air into the baby girl’s stomach. The nurse later sent a sympathy card to Child I’s parents on the day of her funeral.
Sex
Girl
Method
Air inserted into stomach (not bloodstream)
Alarm raised
23 October 2015
Dr Brearey becomes increasingly concerned following the death of Child I. Another staffing review finds Letby was present at more unusual deaths. Another consultant, Dr Ravi Jayaram, alerts management to their concerns but is told “not to make a fuss”. Letby remains on the neonatal unit.
Alarm raised
8 February 2016
A thematic review ordered by Brearey finds several common links in nine unusual deaths since June 2015. Letby’s connection to the mortalities is mentioned at a meeting called to discuss the report, which was sent to the medical director, Ian Harvey. Brearey requests an “urgent” meeting with executives but no meeting takes place until May 2016, the court is told.
Offence
Attempted murder of Child L
9 April 2016
Letby injects insulin into a dextrose bag attached to Child L. Tests later find his insulin level “at the very top of the scale that the equipment was capable of measuring” with very low C-peptide levels – conclusive proof, the prosecution claim, that he was poisoned with insulin.
Sex
Boy
Method
Insulin
Offence
Attempted murder of Child M
9 April 2016
Child M, the twin brother of Child L, suffers an unexpected life-threatening collapse shortly after the insulin poisoning of his brother. His heart rate and breathing dropped dramatically and he came close to death as a result of being injected with air. He survived but suffered brain damage as a result of this attack, the prosecution said.
Sex
Boy
Method
IV air embolism
Alarm raised
11 May 2016
Brearey meets Harvey and Kelly to raise concerns about Letby after an “assurance” document, seen by the Guardian, set out why Letby was not believed to be the cause of the unusual deaths. It suggests other NHS services may be to blame for the spike in deaths and that: “There is no evidence whatsoever against LL [Letby] other than coincidence”. Brearey feels his concerns have been dismissed.
Offence
Attempted murder of Child N
3 June 2016
Letby tries to kill Child N days after he is born. The newborn boy has haemophilia, a condition causing severe bleeding. The crown say Letby uses this as “cover” to attack him by thrusting his nasogastric tube into his throat, causing trauma.
Sex
Boy
Method
Air embolism and thrusting nasogastric tube into throat
Offence
Murder of Child O
23 June 2016
Letby murders the first of two triplets a day after returning from a holiday to Ibiza. Child O had been a “perfect” healthy baby and was due to go home when he collapses unexpectedly. Postmortem X-rays show a higher than normal amount of gas in his body, causing police to believe Letby murdered him by injecting air into his nasogastric tube.
Sex
Boy
Method
Air via nasogastric tube and trauma
Offence
Murder of Child P
24 June 2016
Shortly after killing Child O, Letby turns to his days-old triplet brother. The nurse pumps air into the boy’s stomach via his nasogastric tube while feeding him milk at 6pm, 13 minutes after his brother had died. Experts believe this excess air shattered the little boy’s diaphragm. Doctors believe he will make a full recovery but, as they ready him for another hospital, Letby says: “He’s not leaving here alive is he?” She had made a similar remark when Child C fatally collapsed a year earlier.
Sex
Boy
Method
Air via nasogastric tube
Alarm raised
24 June 2016
The “tipping point” comes following the unexpected deaths of Child O and Child P. Brearey phones the duty executive, Karen Rees, on the evening of Friday 24 June 2016 to say Letby has to be removed from the unit. Rees insists Letby is safe to work and is happy to take responsibility if anything happened to other babies when Letby was involved, the trial was told.