Northumbria Police is investigating aspects of the care and treatment provided to Valdo Calocane by Nottinghamshire Healthcare NHS Foundation Trust. The probe focuses on how the mental health trust handled matters relating to Calocane, though specific details of the allegations or concerns are not provided in the available reports. The Evening Standard reports that Calocane’s victim’s mother has welcomed the investigation, indicating support for scrutiny of the trust’s involvement and care arrangements. The Belfast Telegraph also reports on the same probe, aligning with the view that police are examining the trust’s role in Calocane’s treatment. Across the coverage, the central points are the identity of the organisations involved—Northumbria Police and Nottinghamshire Healthcare NHS Foundation Trust—and that the investigation concerns Calocane’s care and treatment in a mental health context. No further outcomes, timelines, or findings are described in the provided summaries.