Corporate Manslaughter Probe Launched into Nottinghamshire Healthcare Trust
Investigation targets care failures preceding triple murder by former patient Valdo Calocane.

Image: Eddie Pollard / AI

Carla Rooney
Northumbria Police has initiated a corporate manslaughter investigation into Nottinghamshire Healthcare NHS Foundation Trust (NHFT) concerning the care of Valdo Calocane, who fatally stabbed three individuals in Nottingham.
The probe targets the treatment and management of Valdo Calocane, who murdered students Barnaby Webber and Grace O’Malley-Kumar, and caretaker Ian Coates, on June 13, 2023.
Calocane also attempted to run down three other individuals—Wayne Birkett, Sharon Miller, and Marcin Gawronski—with a van during the rampage.
Diagnosed with paranoid schizophrenia, Calocane had been sectioned four times while under NHFT's care before the trust discharged him to a general practitioner.
Northumbria Police leads this critical investigation, a necessary measure given Nottinghamshire Police's own implication in prior failings related to Calocane and the subsequent attacks.
Emma Webber, mother of Barnaby Webber, stated the corporate manslaughter investigation would send “much-needed shockwaves across our public services.” She declared it signifies “the beginning of the reckoning.”
Much-needed shockwaves across our public services. This is the beginning of the reckoning.
Webber asserted that the exceptionally high threshold for such an investigation had been met, marking the commencement of accountability at an organizational level.
She further declared that those responsible for failures, neglect, and cover-ups, from senior leaders to clinicians, would be fully held to account.
A statutory public inquiry, chaired by retired senior judge Deborah Taylor, concluded its examination into the events leading up to the killings; its findings and recommendations are expected next year.
The Nottingham Inquiry previously identified numerous critical faults within Nottinghamshire Healthcare, including a profound failure to properly assess the risk Calocane posed to the public.
The trust also failed to ensure Calocane adhered to his medication regimen, recklessly discharging him from care for non-engagement despite clear indications of his dangerousness.
NHFT's Early Intervention in Psychosis (EIP) service discharged Calocane because he failed to attend appointments; the team admitted they had “lost” him, according to the public inquiry's findings.
Specific actions or omissions by NHFT's EIP service leading to Calocane's discharge, despite clear indications of his dangerousness, remain undetailed, suggesting systemic failings and neglect in mental health services may have contributed to this outcome.
This investigation marks a significant precedent; NHFT has never before faced prosecution over the actions of a violent patient released back onto Britain's streets.
The historical context reveals a disturbing pattern: in the four years preceding the June 2023 attacks, 15 current or former patients of the trust had carried out serious violent attacks, highlighting a systemic issue within the institution.
Nottinghamshire Police has also faced substantial criticism regarding its historical interactions with Calocane, extending to its handling of both the immediate response and the subsequent investigation into the June 2023 attacks.
Beyond the legal debate, economic and public pressure on NHS trusts to manage patient caseloads and resource allocation often clashes with the imperative for stringent risk assessment, a tension acutely exposed by this case.
Stakeholders across the healthcare sector, from frontline staff to policymakers, now face intense scrutiny targeting protocols for managing high-risk psychiatric patients and the accountability frameworks in place.
Meanwhile, the future implications for mental health trusts nationwide are profound, potentially leading to a complete overhaul of discharge policies and patient monitoring systems to prevent similar tragedies.
Calocane ultimately pleaded guilty to three counts of manslaughter on the grounds of diminished responsibility and three counts of attempted murder, underscoring the severe mental health issues at the core of this tragedy.
NHFT confirmed its full cooperation with the ongoing police investigation; this process will undoubtedly reshape public confidence in mental healthcare provision.