Lucy Letby mystery deepens as CPS admits 'we still have no idea why' NHS nurse killed babies
![Lucy Letby mystery deepens as CPS admits 'we still have no idea why' NHS nurse killed babies](https://i2-prod.mirror.co.uk/incoming/article33157430.ece/ALTERNATES/s615/1_THP_CHP_010923Slug_1206JPG.jpg)
The mystery of why Lucy Letby killed babies in her care has not been solved as a senior prosecutor has admitted CPS "still have no idea why she committed these crimes"