The judge says Letby has no previous convictions. He says it is entirely for the jury to attach the weight of the defendant's previous character.
Letby had said she had cared for hundreds of babies, and that hurting a baby was completely against everything a nurse is.
Colleague Christopher Booth "confirmed" she was "conscientious, hard-working, and willing to help", and another colleague said Letby would "remain friends" with the parents of babies on Facebook.
Eirian Powell said Letby was "an exceptionally good nurse".
Letby had a "passion" for working in the intensive care side, and "staff knew" she enjoyed that side of care.
The judge says Letby's health was good, and she did not take time off work in 2015-2016. She was "flexible", living at Ash House [accommodation at the Countess], then at a flat between 2014-2015, then back to Ash House until April 6, 2016, to Westbourne Road, Chester.
Letby was "often asked to do more" than the required number of shifts per month.
She was "devastated" when taken off clinical duties in 2016. She had "prided herself" on being very competent.
Letby registered a grievance in September 2016. It was at that time she learned she was being blamed for the deaths, and that that was "sickening", and her mental health "deteriorated".
She was arrested at her home in July 2018. She was interviewed, then moved to Hereford to be with her parents. A search was conducted of her Chester home.