The Media Freedom Rapid Response (MFRR) partners stand in solidarity with Le Monde investigative journalist Stéphane Horel and call on police to hold those responsible for a series of thefts and attempted break-ins believed to be linked to her work accountable.
Between 2024 and 2025, the investigative reporter has been targeted by a series of incidents in both public and private settings in which her journalistic equipment and devices have been stolen and her apartment targeted. Horel, a well known journalist specialising in corporate harm, toxic industries and scientific disinformation, has stated that she believes the incidents are connected and linked directly to her journalistic work.
Horel has been conducting a cross-border investigation into PFAS pollution, (per- and polyfluoroalkyl substances often referred to as ‘forever chemicals’) since 2022. As a result of the investigations, she launched the Forever Lobbying Project, a collaborative investigation examining industry lobbying efforts aimed at preventing stricter regulations or a ban on PFAS substances. According to the journalist, all incidents occurred during periods when she was focusing exclusively on PFAS.
The series of incidents began with the theft of her phone and backpack in 2024, followed by two alleged attempts to break into her house in May and October of that year, while she was attending conferences, for which her presence was publicly announced. The situation escalated in 2025. Ten days before the publication of the ‘Forever Lobbying Project’, there was another attempted break-in while the journalist was home. Her door was the only one targeted. In June, her phone was stolen in a café terrace by a man who walked straight away to her table before fleeing in a car while Horel’s bag was stolen outside Le Monde editorial offices in September 2025.
On 23 February 2026, Le Monde announced having filed a complaint with Horel against persons unknown for “obstruction of freedom of expression, invasion of privacy, attempted trespassing, theft and damage to private property.” Almost four months later since the complaint was filed, none of the perpetrators have been identified.
In light of the repeated incidents targeting Horel in both public and private settings, the undersigned organisations express serious concerns about the journalist’s safety. We reiterate the importance of identifying the perpetrators and holding them accountable. It is of the utmost importance that the authorities establish whether the investigative journalist was specifically targeted because of her work, particularly given the cross-border nature of her investigations and the risks to the journalist’s sources.
Since 2023, the Mapping Media Freedom platform has documented 26 incidents targeting 38 journalists for their environmental reporting in France. The topic increasingly generates hostility and intimidation that requires strong vigilance and action from the authorities, MFRR partners recently warned on World Environment Day. Thefts and attempted break-ins at the homes of journalists are not just material attacks, but a form of intimidation that is of serious concern.
This statement was coordinated by the Media Freedom Rapid Response (MFRR), a Europe-wide mechanism which tracks, monitors and responds to violations of press and media freedom in EU Member States and Candidate Countries.

Les partenaires du Media Freedom Rapid Response (MFRR) expriment leur solidarité avec la journaliste d’investigation du Monde Stéphane Horel et appellent la police à traduire en justice les responsables d’une série de vols et de tentatives d’effraction qui seraient liés à son travail.
Entre 2024 et 2025, ce journaliste d’investigation a été la cible d’une série d’incidents, tant dans des lieux publics que privés, au cours desquels son matériel et ses appareils journalistiques ont été volés et son appartement a été pris pour cible.
Stéphane Horel, journaliste d’investigation de renom spécialisé dans les préjudices causés par les entreprises et les industries toxiques, ainsi que dans la désinformation scientifique, a de sérieuses raisons de penser que ces incidents étaient directement liés à son travail.
Depuis 2022, Horel mène une enquête transfrontalière sur la pollution par les PFAS (substances per- et polyfluoroalkylées, souvent appelées « substances éternelles »). À la suite de ces investigations, elle a lancé le « Forever Lobbying Project », une enquête collaborative visant à examiner les efforts de lobbying de l’industrie destinés à empêcher un renforcement de la réglementation ou une interdiction des substances PFAS. Selon la journaliste, tous ces incidents se sont produits à des moments où elle se consacrait exclusivement aux PFAS.
La série d’incidents a commencé par le vol de son téléphone et de son sac à dos en 2024, suivi de deux tentatives présumées d’effraction à son domicile en mai et octobre de la même année, alors qu’elle assistait à des conférences pour lesquelles sa présence avait été annoncée publiquement. La situation s’est aggravée en 2025. Dix jours avant la publication du « Forever Lobbying Project », une nouvelle tentative d’effraction a eu lieu alors que la journaliste se trouvait chez elle. Sa porte était la seule à avoir été prise pour cible. En juin, son téléphone a été volé à la terrasse d’un café par un homme qui s’est dirigé directement vers sa table avant de prendre la fuite en voiture, tandis que le sac de Stéphane Horel a été dérobé devant les locaux de la rédaction du Monde en septembre 2025.
Le 23 février 2026, Le Monde a annoncé avoir porté plainte avec Stéphane Horel contre X pour «entrave à la liberté d’expression, atteinte à l’intimité de la vie privée, tentative de violation de domicile, vol et détérioration de biens privés». Près de quatre mois après le dépôt de la plainte, aucun des auteurs n’a été identifié.
Au vu des incidents répétés dont a fait l’objet Horel, tant dans la sphère publique que privée, les organisations signataires expriment leur profonde inquiétude quant à la sécurité de la journaliste. Nous réaffirmons l’importance d’identifier les auteurs de ces actes et de les traduire en justice. Il est primordial que les autorités déterminent si la journaliste d’investigation a été spécifiquement prise pour cible en raison de son travail, compte tenu notamment de la nature transfrontalière de ses enquêtes, mais aussi des risques encourus par ses sources.
Depuis 2023, la plateforme Mapping Media Freedom a recensé 26 incidents visant 38 journalistes pour leurs reportages sur l’environnement en France. Ce sujet suscite de plus en plus d’hostilité et d’intimidation, ce qui exige une vigilance et une action accrues de la part des autorités, comme l’ont récemment souligné les partenaires du MFRR à l’occasion de la Journée mondiale de l’environnement. Les vols et les tentatives d’effraction au domicile de journalistes ne constituent pas seulement des agressions matérielles, mais une forme d’intimidation dès plus préoccupante.
This statement was coordinated by the Media Freedom Rapid Response (MFRR), a Europe-wide mechanism which tracks, monitors and responds to violations of press and media freedom in EU Member States and Candidate Countries.

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