The family of Guillaume Seznec has requested a review of his 1924 conviction in the case of Pierre Quéméneur’s disappearance. Available information does not specify the reasons for this new request or what the outcome might be.
A disappearance during a journey to Paris
Pierre Quéméneur, a 46-year-old general councillor from Finistère, disappeared on May 25, 1923, in the vicinity of Houdan, in the Yvelines. He had left Rennes that same morning with Guillaume Seznec, a sawmill owner from Morlaix, in a Cadillac which they were to sell in Paris.
Aged 45 at the time of the events, Seznec was sentenced the following year to life imprisonment with hard labor. His family’s current appeal seeks a review of this conviction. The information provided does not reveal the arguments for their appeal or whether a court has already been seized of the matter.
A matter still debated
The disappearance of Quéméneur and the conviction of Seznec made this case one of the major criminal cases of the 20th century in France. The new request reopens the question of Seznec’s guilt, but does not, in itself, establish that the conviction will be reviewed or modified.
Published on September 30, 2026, the available text does not provide further details on the timeline or the next steps in the family process.
Source: Ouest France.fr – Live, continuous news updates and images (www.ouest-france.fr)
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