Kayley was 14 months old when another nurse, Beverley Allitt, tried to kill her in 1991.

Source: https://www.theguardian.com/uk-news/2023/aug/26/lucy-letby-case-kayley-asher-survivor-of-beverley-allitt-attacks

Much like Letby, Beverley Allitt was a nurse who worked with children, a position she used to kill four and attempt to end the lives of nine more.

Source: https://www.dailymail.co.uk/health/article-12437299/Lucy-Letby-life-prison-Britains-murderer-medics.html?ns_mchannel=rss&ns_campaign=1490&ito=1490

Stuart Clifton, a former detective superintendent with Lincolnshire Police who helped nail Allitt for 13 murders and attempted murders of infants during 1991, said there were disturbing similarities between the two convicted serial killers.

Source: https://www.dailymail.co.uk/news/article-12423909/Other-cases-missed-Detective-nailed-Beverley-Allitt-says-like-Lucy-Letby-read-book-chillingly-similar-Angel-Death-case-30-years-believes-killer-nurses-have.html?ns_mchannel=rss&ns_campaign=1490&ito=1490