On 3 January 1804, Francis Smith, a 29-year-old excise officer serving on an armed citizen patrol in the Hammersmith area of London, shot and killed Thomas Millwood, a local bricklayer. Smith mistook Millwood's white work clothing, described as white linen trousers, a new flannel waistcoat, and an apron, for the shroud of a reported ghost that had frightened the area for weeks. The shooting followed ghost sightings that began in November 1803, when residents described seeing, and in some cases being attacked by, an apparition near Hammersmith churchyard; local belief held that the ghost was the spirit of a man who had died by suicide the previous year and, because suicide victims were thought unfit for consecrated ground, could not rest. Reports grew serious enough that two women were said to have died of shock days after separate encounters with the apparition, and on 29 December 1803 a night watchman, William Girdler, chased the ghost near Beavor Lane before it escaped. In response, local citizens organized armed patrols to search for the ghost; Smith, on one such patrol, encountered Millwood walking home from a visit to his parents just after 11:00 pm and shot him in the jaw after a brief, shouted challenge. A surgeon who examined Millwood's body on 6 January attributed his death to the gunshot wound, which had damaged his spinal cord.
Smith was tried for willful murder. Witnesses testified that Millwood's family had already warned him to cover his white work clothes with a coat, because he had been mistaken for the ghost once before. At trial, the presiding judge instructed the jury that Smith had not acted in self-defence, had not been provoked, and had not been attempting a lawful arrest, and that his mistaken belief that Millwood was a ghost could not excuse the killing; the judge told the jury they could return only a verdict of murder or an acquittal, not manslaughter. The jury convicted Smith of murder; he was sentenced to death, a sentence the Crown later commuted to one year of hard labour. The publicity surrounding the trial led the person who had been staging the original ghost sightings to come forward; he was an elderly local shoemaker who had used a white sheet to frighten his own apprentice, and there is no indication that he faced any punishment for it.
The legal question raised by Smith's case, whether an honestly held but mistaken belief could support a defence to a criminal charge, was debated for 180 years before it was resolved by the Court of Appeal in 1984, in R v Williams (Gladstone). In that later, separate case, Gladstone Williams had been convicted of assault occasioning actual bodily harm after mistakenly intervening in what he believed was a violent assault. The Court of Appeal quashed his conviction, holding that a defendant's mistaken belief need only be honestly held, not objectively reasonable, to support a defence of self-defence or the prevention of crime. That reasoning was approved by the Privy Council in Beckford v The Queen in 1988 and was later written into statute in Section 76 of the Criminal Justice and Immigration Act 2008.
Ghost sightings began in the Hammersmith area of London; locals believed the apparition to be the spirit of a man who had died by suicide the previous year and was buried in Hammersmith churchyard.
1803-12-29
Night watchman William Girdler saw the reported ghost near Beavor Lane and gave chase, but it escaped after throwing off its shroud; citizens subsequently formed armed patrols to search for it.
1804-01-03
Excise officer Francis Smith, on an armed patrol searching for the ghost, shot and killed bricklayer Thomas Millwood near Beavor Lane after mistaking Millwood's white work clothes for the ghost's shroud.
1804-01-06
A surgeon examined Thomas Millwood's body and attributed his death to a gunshot wound to the lower jaw that had damaged his spinal cord.
1804
Francis Smith was tried for willful murder; the trial judge ruled that his mistaken belief the victim was a ghost was no defence, and the jury found him guilty of murder. He was sentenced to death, later commuted to one year of hard labour.
1984
The Court of Appeal decided R v Williams (Gladstone), holding that a defendant's mistaken belief need only be honestly held, not reasonable, to support a defence of self-defence or crime prevention, resolving the legal question raised by Smith's case 180 years earlier.
1988
The Privy Council approved the Williams reasoning in Beckford v The Queen.
2008
The principle was written into statute in Section 76 of the Criminal Justice and Immigration Act 2008.
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The BIZARRE case of The Hammersmith Ghost
People
Thomas Millwood
VICTIM
Bricklayer shot and killed by Francis Smith near Beavor Lane, Hammersmith, on 3 January 1804 after being mistaken for the reported Hammersmith ghost.
William Girdler
LAW ENFORCEMENT
Night watchman patrolling Hammersmith; saw and chased the reported ghost near Beavor Lane on 29 December 1803, and had arranged to patrol with Francis Smith on the night Thomas Millwood was killed.
Gladstone Williams
EXONERATED
Convicted of assault occasioning actual bodily harm after mistakenly intervening in what he believed was a violent assault; the Court of Appeal quashed the conviction in 1984, holding his honestly held mistaken belief did not need to be reasonable to support a defence.
Francis Smith
CONVICTED
29-year-old excise officer and member of an armed citizen patrol; found guilty of the murder of Thomas Millwood and sentenced to death, later commuted to one year of hard labour.
Roles reflect public records and court outcomes at the time of writing — supporting citations are on file under Sources.
In 1804, London excise officer Francis Smith shot and killed bricklayer Thomas Millwood after mistaking him for a rumoured Hammersmith ghost, in a trial whose legal reasoning on mistaken belief was not resolved until a 1984 Court of Appeal decision.
Where did the murder happen?
Hammersmith, London.
Who was convicted?
Francis Smith (29-year-old excise officer and member of an armed citizen patrol; found guilty of the murder of Thomas Millwood and sentenced to death, later commuted to one year of hard labour.).
