Documented investigations presented factually, with solved and unresolved cases separated for easier browsing.
Cyril Beining and Alexandre Beckrich, both eight, were murdered in Montigny-lès-Metz in 1986. Patrick Dils was wrongfully imprisoned before being acquitted; Francis Heaulme's murder conviction became final in 2020.
Open case file →Delphine Jubillar disappeared from her Tarn home in 2020. Cédric Jubillar was convicted of murder in 2025; in July 2026 he confessed and led investigators to remains confirmed by DNA as Delphine's.
Open case file →Chahinez Daoud was killed by her former husband in Mérignac in 2021 after a documented history of domestic violence. Mounir Boutaa was convicted in 2025 and sentenced to life imprisonment with a 22-year security period.
Open case file →Sarah Halimi was killed in Paris in 2017. Kobili Traoré was identified as the person who caused her death, but France's highest criminal court confirmed that a psychotic disorder had made him criminally irresponsible.
Open case file →Ghislaine Marchal was killed at her Mougins villa in 1991. Her gardener Omar Raddad was convicted in 1994, later partially pardoned but never exonerated; repeated review efforts have kept the evidentiary controversy alive.
Open case file →Jean-Claude Romand murdered his wife, two children and parents after years of maintaining a false identity as a WHO doctor. He was convicted in 1996 and sentenced to life imprisonment with a 22-year security period.
Open case file →Seven vulnerable young women disappeared in Yonne in the late 1970s. Émile Louis was convicted of all seven murders; the life sentence was upheld on appeal and by the Court of Cassation.
Open case file →Japanese student Narumi Kurosaki disappeared from her Besançon residence in 2016. Nicolas Zepeda was convicted again in March 2026 and sentenced to life imprisonment after an earlier appeal judgment had been annulled for procedural reasons.
Open case file →Eighteen-year-old Laëtitia Perrais was murdered in Loire-Atlantique in 2011. Tony Meilhon was convicted and received life imprisonment with a 22-year security period, confirmed on appeal.
Open case file →Solved / Final JudgmentMireille Knoll, an 85-year-old Holocaust survivor, was murdered in Paris in 2018. Yacine Mihoub received life imprisonment with a 22-year security period; his appeal was later withdrawn.
Read case file →Solved / Extensively AdjudicatedEighty-six people were killed on the Promenade des Anglais. The 2022 and 2024 trials produced multiple convictions, with the last major cassation appeals rejected in 2026.
Read case file →Solved / Extensively AdjudicatedTeacher Samuel Paty was murdered in 2020 after an online hate campaign. Eight adults were convicted in 2024; a 2026 appeal changed the convictions and sentences of four defendants.
Read case file →Solved / Extensively AdjudicatedCoordinated attacks in Paris and Saint-Denis killed 130 people. A ten-month special assize trial ended in final criminal judgments in 2022.
Read case file →Solved / AdjudicatedIlan Halimi was kidnapped for ransom in 2006 and died after 24 days in captivity. Youssouf Fofana received life imprisonment, and the court recognized an antisemitic aggravating circumstance.
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SolvedA physician murdered dozens by posing as an escape network in Nazi-occupied Paris.
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SolvedMichel Fourniret was a French serial killer convicted of multiple murders committed in France and Belgium between the late 1980s and early 2000s.
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SolvedGuy Georges murdered seven women in Paris between 1991 and 1997. DNA evidence and survivor testimony helped investigators identify and arrest him in 1998.
Read case file →SolvedAlexia Daval was killed in Haute-Saône in 2017. Her husband, Jonathann Daval, admitted intentional homicide at trial and was sentenced to 25 years in prison.
Read case file →SolvedEight-year-old Maëlys disappeared from a wedding in Isère in 2017. Nordahl Lelandais later admitted killing her and was sentenced to life imprisonment in 2022.
Read case file →Solved / AdjudicatedTwelve-year-old Lola Daviet was murdered in Paris in 2022. Dahbia Benkired received an incompressible life sentence in 2025 and did not appeal.
Read case file →Solved / AdjudicatedPascal, Brigitte, Sébastien and Charlotte Troadec were murdered near Nantes in 2017. Hubert Caouissin was convicted of all four killings and sentenced to 30 years.
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