Countess of Chester Hospital bosses 'disbelieving' of fears over Lucy Letby
Cheshire Police were not brought in to investigate the matter until May 2017. Letby, 34, from Hereford, is serving 15 whole-life orders after she was convicted at Manchester Crown Court of murdering seven infants and attempting to murder seven others, with two attempts on one of her victims, between June 2015 and June 2016.