What happened
Michaela Hall, 49, a mother of two, worked for a charity in Cornwall supporting vulnerable and at-risk people. In early 2018 she had volunteered for an organisation supporting prisoners and lost that role after failing to maintain professional boundaries. Later that year the charity employed her without knowing why she had left it.
She began a relationship with one of her clients, a prolific offender. He assaulted her and was recalled to prison, and after his release the violence continued. In April 2021 he pleaded guilty to two common assaults and was given a Community Order. A pre-sentence report assessed him as posing a medium risk of serious harm.
On 31 May 2021 he stabbed her. Police attended after a report but did not enter; she was found dead the next day. He was convicted of her murder.
The outcome
Andrew Cox, Senior Coroner for Cornwall and the Isles of Scilly, concluded the inquest on 22 March 2024 and sent a Prevention of Future Deaths report, reference 2024-0183, to Cornwall Council’s chief executive on 27 March. The council had 56 days to respond.
The inquest found the recruitment process had employed her in a role she was temperamentally unsuitable for, that the pre-sentence report had been written by a person who was not sufficiently qualified, and that the risk of serious harm had been assessed as medium rather than high. Because of that grading the man was managed by a Community Rehabilitation Company rather than the National Probation Service.
The report also says services did not consider the family as a whole. A separate Domestic Homicide Review was with the Home Office.
What went wrong
The information that mattered sat elsewhere. One employer knew she could not hold a professional boundary; the next did not, because nobody asked and nobody told. A reference recording only dates is not a check.
The role put a lone worker in front of a man with a history of violence, and his risk was graded by someone unqualified to do it. Medium risk loosened the system around him: a Community Rehabilitation Company rather than the probation service, and less oversight of the man she sat with.
Nothing in the public record shows her employer knowing about the relationship or the assaults, or reviewing her caseload. The sources do not say what supervision she had.
What it teaches
Boundary failures are a workplace event before they are private ones, and they belong in supervision, case allocation and the worker’s risk assessment.
Two questions decide most of this. Did the recruiting manager ask why the last post ended, and could the answer be checked? Did the person grading risk have the training to grade it? On the coroner’s findings, no to both.
Lone work with a client who has a violent history needs a second person in the plan: a check-in with a name and a time, and a route to take the case off the worker.
Questions for the room
- What did your employer ask about why you left your last post?
- Who graded the risk on the last client you visited alone, and what training did they have?
- If a colleague said she was seeing a client, who would decide what happens?
Evidence and limits
Confidence: probable. The page rests on one document, the Senior Coroner’s Prevention of Future Deaths report. It is reliable and uncorroborated: the inquest judgment and the Domestic Homicide Review were not available.
The relationship moved the case into private life, which is why it reads differently from an attack by a stranger. The page is about the working system: who employed her, what was known about her, and how his risk was graded.
If your staff visit clients alone, our lone working training covers case allocation, check-in design and risk assessment.
Sources
- Courts and Tribunals Judiciary, 2024 · https://www.judiciary.uk/wp-content/uploads/2024/04/Michaela-Hall-Prevention-of-future-deaths-report-2024-0183_Published.pdf
Reviewed 20 October 2026.