Triple killer Valdo Calocane was subject to risk assessment before he killed three people, but forms completed for him failed to detail the level of danger he posed, the inquiry into the Nottingham attacks has heard.
Calocane, a paranoid schizophrenic, had been under the care of Nottinghamshire Healthcare NHS Foundation Trust (NHFT) for two years before his stabbing attack in June 2023.
While under the trust's care, he was repeatedly discharged despite a consultant psychiatrist's warning that he would "end up killing someone".
He killed undergraduate students Barnaby Webber and Grace O'Malley-Kumar, both 19, in the early hours of 13 June 2023 before fatally stabbing caretaker Ian Coates, 65, more than an hour later.
After stealing Mr Coates' van, Calocane ran over and seriously injured three pedestrians.
He admitted manslaughter and attempted murder and was indefinitely detained at a high-security hospital due to diminished responsibility in January 2024.
On Monday, the inquiry heard from NHFT staff as it assessed the trust's mental health services.
Calocane was detained three times between May 2020 and September 2021 after repeatedly kicking at the door of a property, forcibly entering a neighbour's flat and "significantly" assaulting police officers.
Busayo Ajewole, the clinical team leader at Highbury Hospital, Nottingham, where Calocane was sectioned in July 2020, admitted to filling out multiple risk assessment forms incorrectly for Calocane.
A form completed that month said Calocane had "no history of mental health difficulties" and "no history of violence and aggression".
Conceding that was "not only lacking in detail", it was "also wrong", Ms Ajewol told the inquiry the form "should have reflected that he had a history of violence and aggression in the risk assessment".
The inquiry also heard there was a lack of evidence in entries from September 2021 on Calocane's risk assessment forms.
Julian Blake KC, counsel for the Nottingham Inquiry, highlighted that his level of violence and risk was not clearly identified, and the form was again "wrong".
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One of the documents shown to the inquiry used the phrase "Valdo is usually a very polite and gentle personable young man".
Ms Ajewol admitted she could not identify where that wording had come from.
Dr Omar Manzar, who assessed Calocane's mental health multiple times before his attacks, admitted it was "astonishing" that the University of Nottingham, where Calocane studied mechanical engineering, did not know about his attacks on police officers or his September 2021 detention.
Dr Manzar also told the inquiry that he was not shown the violent texts between Calocane and his brother in 2020, which included the phrase "break their heads with my hands", said by Calocane.
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