Judith Moritz, who has covered the Letby case from the start, takes us inside the evidence to piece together how events unfolded at the Countess of Chester Hospital - and why it took more than a year to stop a killer.

Former executives at the British hospital where Ms. Letby was a nurse requested that a judge’s inquiry into the killings there be suspended amid new evidence.

Former managers at Lucy Letby’s hospital have called for the public inquiry into her crimes to be halted, arguing there is a “real possibility” her convictions will be quashed...