The case against Lucy Letby was built on an array of circumstantial evidence. Here are the main questions about the prosecution case highlighted by her supporters.
DAVID DAVIS: A year ago, my views on Lucy Letby were like clear. It seemed that this woman had killed seven helpless infants and betrayed the trust vested in her.
Adam King is the latest respected figure to raise questions about the case against Letby, who was convicted over two trials of killing seven babies and attempting to murder seven more.
Lucy Letby, 35, from Hereford, is serving 15 whole-life orders after she was convicted of murdering seven of those children and attempting to murder seven more.
Three weeks ago and in a packed hall on the outskirts of west London there's a standing ovation as the cast of Made in Dagenham take their first night bow.