What Does a Coroner Do? Investigating Deaths Nobody Can Explain

The coroner is one of the oldest judicial offices in England, created formally in 1194 to protect the financial interests of the crown by recording deaths, treasure finds and shipwrecks, and the modern role has almost nothing to do with revenue and retains the medieval independence. Systems vary considerably. England and Wales use coroners who must be qualified lawyers and who sit as independent judicial officers holding inquests in public. Scotland has no coroner and uses procurators fiscal, who investigate and may hold a fatal accident inquiry. Most American states use either an elected coroner, who in some jurisdictions need not be medically or legally qualified, or an appointed medical examiner who must be a qualified forensic pathologist, and the difference has been the subject of sustained criticism, with national reports recommending the medical examiner model. Australia, Canada, New Zealand and several other common law countries use variants of the coroner system.

The categories that trigger an investigation are defined and consistent across jurisdictions:

• •Violent or unnatural death, including accident, suicide and homicide
• •Sudden death of unknown cause, where no doctor can certify
• •Death where the deceased had not been seen by a doctor during their final illness or recently before
• •Death in custody or in state detention, including in prison and under mental health powers, which is mandatory and requires a jury in several systems
• •Death during or shortly after a medical procedure, and deaths related to employment such as industrial disease
• •Death where the identity of the person is unknown
• •Anyone may report a death, and in practice most reports come from doctors, police and registrars

The coroner's first job is to establish whether the death falls within jurisdiction, which frequently requires no more than a discussion with the treating doctor. Where it does, the coroner directs the investigation, which may include a post-mortem examination, ordered without the family's consent because the inquiry is a legal one, and which resolves a large proportion of cases without further proceedings. Toxicology, imaging and, increasingly, post-mortem computed tomography as a less invasive alternative may be used. If the cause of death is established as natural, the investigation usually ends there. If not, an inquest follows: a public hearing in which the coroner examines witnesses, with interested parties including the family entitled to participate, and which is inquisitorial rather than adversarial, meaning the coroner leads the questioning rather than two sides contesting. There is no prosecution and no defendant.

An inquest exists to determine who the deceased was, and when, where and how they came by their death, and the statutory framework in England expressly prohibits it from determining criminal liability on the part of a named person or civil liability at all. That restriction is central and frequently misunderstood by families expecting accountability. The coroner records a conclusion, historically called a verdict, from a set including natural causes, accident, suicide, unlawful killing, industrial disease and an open conclusion where the evidence does not support any, along with narrative conclusions setting out the circumstances in the coroner's own words, which have become common because the short categories frequently cannot capture what happened. The standard of proof for suicide and unlawful killing was aligned to the balance of probabilities by the Supreme Court in 2020, which had been a live legal dispute and which increased recorded suicide figures without any change in the underlying events.

The output that affects most people is a preventing future deaths report, which a coroner must issue where the evidence suggests a risk that further deaths will occur unless action is taken, and which must be sent to the organisation able to act, which must respond within a set period. These reports are published, and they have produced changes in hospital procedures, product design, road layouts, building regulations, custody practice and mental health services. Inquests into disasters have driven structural reform, and the reinvestigation of the Hillsborough deaths, where an inquest verdict from 1991 was quashed and a fresh inquest in 2016 returned unlawful killing after twenty-seven years of campaigning by bereaved families, demonstrated both the importance of the system and how badly it can fail. The recurring criticisms are of delay, of underfunding, of inconsistency between jurisdictions, and of the imbalance at inquests where public bodies are legally represented and families frequently are not, since legal aid for inquests is restricted.

A coroner investigates deaths that are violent, sudden, unexplained, in custody or otherwise uncertifiable, in a system created in England in 1194 and now varying from legally qualified independent judges to elected officials with no medical training in some American states. The investigation may order a post-mortem without family consent, and an inquest is inquisitorial with no defendant, answering only who died and when, where and how, while being expressly forbidden from finding criminal liability against a named person. Its preventing future deaths reports change practice across many sectors.