The inquiry heard details of Calocane’s earlier attacks on others, including colleagues and a police officer, and how a warrant for his arrest had been handled.
He had been summonsed to attend Nottingham Magistrates’ Court in September 2022 – at a time he was in hospital – over the assault of a police officer.
Due to his failure to attend, a warrant was issued for his arrest and flagged to an officer who was handling the case.
However, the warrant came through the computer system as “a low priority”, the hearing heard.
Langdale said: “Chair, you will no doubt want to consider in due course whether this was a significant opportunity missed, whether there are failures in the process by which warrants are acted upon by the police, and what improvements can be made.
“Temporary deputy chief constable Rob Griffin will address this in oral evidence – he has described it as ‘a serious systemic operational failure on the part of Nottinghamshire Police’.”
Griffin and a number of police personnel are among more than 100 witnesses expected to give evidence over nine weeks.