“We can confirm that, following agreement, Lucy Letby has recently been interviewed in prison under caution in relation to the ongoing investigation into baby deaths and non-fatal collapses at the Countess of Chester Hospital and the Liverpool Women’s hospital,” the Cheshire Constabulary said in a statement, per The Guardian.

Killer nurse Lucy Letby has maintained her innocence after police confirmed she has been interviewed about more suspicious baby deaths, her lawyer said on Wednesday.

Cheshire Constabulary confirms 34-year-old questioned under caution over suspicious infant deaths and collapses at Countess of Chester Hospital and Liverpool Women’s Hospital