Read our Privacy noticeCleveland Police failed to arrest a child abuser for 18 months before he sexually assaulted and murdered his girlfriend’s two-year-old daughter. Isabelle Welsh suffered from weeks of abuse, including suffering 21 broken bones, before she collapsed at her home in Thornaby, Teesside, in September. Cleveland Police has admitted that officers failed to execute a warrant issued by Teesside Magistrates’ Court for Simpson’s arrest in March 2024, The Sunday Times reported. It added: “We recognise the time Simpson had an outstanding arrest warrant is far from adequate. She said the toddler sustained an unsurvivable head injury in the 24 hours before she died in hospital.