
The Dupont de Ligonnès case.
The “Dupont de Ligonnès” case also publicized as “Disappearance in France” is one of the most bizzar and haunting criminal mysteries in French history that revolves around the disappearance of Xavier Dupont de Ligonnès followed by the homicide of his wife and their four children back in 2011. The extensive investigations on this true crime resulted to be failure and, his whereabouts remain unknown, fueling countless speculations and theories.
Xavier Dupont de Ligonnès was born into an aristocratic family on January 9, 1961, in Versailles, France. His father, Bernard-Hubert Dupont de Ligonnès, was an engineer, and his mother, Geneviève Maître, established a religious sect called “Philadelphie,” which was renowned for its apocalyptic beliefs. Xavier had two sisters and was raised in a pious Catholic family, studying at private schools in Versailles. Professionally, Xavier started a series of unsuccessful entrepreneurial ventures, including businesses SELREF, Route des Commerciaux, and Carte Crystal, all of which had financial difficulties. He married Agnès Hodanger, and they had four children: Arthur (born 1990), Thomas (1992), Anne (1994), and Benoît (1997). They resided in a town house on Boulevard Robert-Schuman.

Incidents Leading to the Disappearance
In early April 2011, friends and organizations connected to the Dupont de Ligonnès family started receiving strange messages. Xavier told the children’s schools that the family was moving to Australia because of professional requirements, and the younger children were withdrawn from their schools. In the same manner, Agnès’s workplace was told that she had a stomach problem and would be resigning from her employment. The neighbors had been aware that the family has disappeared , with closed shutters and a sign on the mailbox instructing mail to be returned to sender.
The Nantes home of Dupont de Ligonnès was stormed by police on 21 April 2011.
Under the patio in the backyard, they found the bodies of Agnès and the four children, all wrapped in blankets and covered with religious symbols and buried. The two Labrador dogs of the family were buried alongside them. Autopsy confirmed that all of the victims had been shot twice in the head with a.22 caliber handgun, most probably while they slept. Shockingly, there was no struggle inside the house. Investigation and Manhunt
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Xavier Dupont de Ligonnès was named the prime suspect in the killings.
Investigations found that he had just inherited a.22 caliber rifle from his father and had visited shooting ranges in the months prior to the event. Financial documents depicted that Xavier was in considerable debt and had written letters to friends discussing possible suicide or a family member’s death together. Security cameras recorded Xavier on April 14, 2011, at a hotel in Roquebrune-sur-Argens in south-eastern France. His vehicle was subsequently abandoned in the hotel’s car park. In spite of thorough searches of the areas around, such as the Massif des Maures, Xavier was never heard from again. Theories and Speculations Xavier Dupont de Ligonnès’ disappearance has led to some theories about what happened to him:
1. Suicide: Some others think that Xavier committed suicide soon after the murders, maybe in some isolated place where his body is yet to be found.
2.
Assisted Escape: Due to his familial links and his own foreign stint, it’s rumored that Xavier might have been helped to escape the country and start a new life in a foreign land.
3. Religious Motive: Since his mother was an active member of an apocalyptic religious cult, some people think that the killings were a ritualistic act or were induced by extreme religious beliefs.
4.\tInnocence: The minority, such as some relatives, think Xavier is innocent and the real criminals have not been found.
Arrest at Glasgow and Later Developments
In October 2019, a man was arrested at Glasgow Airport in Scotland who was suspected to be Xavier Dupont de Ligonnès.
The man had traveled on a plane from Paris and was on a stolen French passport.
Preliminary fingerprint analysis indicated a match, and global media publicity then followed. A second DNA test, however, showed that the man was not Xavier but a 69-year-old French tourist of Portuguese origin who was on holiday with his Scottish wife. This event served to further illustrate the setbacks and inconveniences amid the continuing search for Xavier. Current Status and Legacy As of April 2025, Xavier Dupont de Ligonnès is still at large, and the case is officially unresolved. The killings have been the subject of intense media scrutiny, documentaries, and speculation, a testament to the public’s fascination with the case. The Dupont de Ligonnès family, which had been a portrait of old French aristocracy, is now forever associated with one of France’s most lasting mysteries.
The case remains fascinating and shocking, a stark reminder of the possible horrors behind closed doors and the intricacies of the human psyche.