Could she be innocent? “Killer nurse” Lucy Letby was found guilty of the murder or attempted murder of 14 babies. Now, some think it could be the biggest miscarriage of justice in our time.
Shock evidence blows Letby case apart
Upsetting: The mother of one of the babies that Lucy Letby (above) has been charged with killing, calls the claim by a panel of international medical experts a "publicity stunt". Glossary
Debunked - Disproved.
Insulin - A hormone which controls blood sugar levels and helps your body to turn food into energy.
Embolism - A block in an artery caused by blood clots or other substances, such as fat globules, infected tissue, or cancer cells.
Post-mortems - A medical examination of a body after death, to establish why a person died.