Police launch corporate manslaughter investigation into UK hospital where nurse murdered infants
- Lucy Letby was convicted of murdering 7 babies while working at Countess of Chester Hospital.
- Investigation will focus on senior leadership's decisions during Letby's employment from 2015-2016.
- Letby was sentenced to life in prison without parole for her crimes.
- An independent inquiry has also been launched into the hospital's handling of staff complaints.
- Letby has appealed her convictions and faces retrial for attempted murder of another infant.