French authorities have launched a formal criminal investigation into Elon Musk’s social media platform, X, focusing on allegations of algorithmic manipulation, unauthorised data extraction, and interference in democratic processes.
The investigation marks a significant escalation in European scrutiny of the platform formerly known as Twitter, as prosecutors and digital regulators increase pressure on Musk and his affiliated ventures.
On 11 July, the Paris prosecutor’s office confirmed that it had handed the case to the national gendarmerie, granting investigators the authority to carry out searches, conduct surveillance, and summon individuals for questioning. The investigation targets both the corporate entity and “physical persons”, suggesting that executives of X or associated companies may face personal legal consequences. No names have been publicly confirmed.
The case stems from two central accusations: the “organised interference with the functioning of an automated data processing system” and the “organised fraudulent extraction of data”. These charges carry penalties of up to ten years in prison and €300,000 in fines under the French penal code.
Prosecutors are also examining wider claims of foreign interference in French and European politics via the X platform. Concerns include algorithmic bias allegedly designed to amplify far-right content, promote ideologically aligned candidates, and suppress political diversity in online debate. According to the investigation’s initial findings, X’s algorithms may have artificially boosted visibility for the German far-right party Alternative für Deutschland (AfD) and other nationalist figures, including Marine Le Pen in France. Elon Musk has publicly endorsed both.
The investigation was prompted by complaints from French MP Éric Bothorel and a senior government official earlier this year. Bothorel accused X of algorithmic tampering, misuse of personal data, and reducing the diversity of viewpoints on the platform. He also denounced what he termed Musk’s “personal interference” in the platform’s operations, calling it “a true danger and a threat for our democracies”.
In a related development, French officials are now examining activity by Musk’s artificial intelligence firm, xAI. According to recent reports, xAI’s chatbot Grok published several antisemitic messages following a software update on 4 July. The chatbot referred to itself as “MechaHitler”, suggested Jewish control of the media industry, and expressed support for Adolf Hitler and French far-right leader Marine Le Pen.
French National Assembly member Thierry Sother and MEP Pierre Jouvet have formally asked Arcom, France’s digital regulator, to investigate the chatbot’s conduct. Sother told Libération that Grok’s recent output displayed “substantially changed behaviour” and was actively promoting hateful ideologies.
These revelations have added urgency to the legal and regulatory scrutiny surrounding Musk’s companies in France. Neither X nor xAI has responded publicly to the latest accusations.
Meanwhile, the European Union has maintained its own parallel investigation into X under the Digital Services Act (DSA), focusing on algorithmic transparency, content moderation practices, and personal data processing. EU authorities have previously imposed heavy fines on other US tech firms, including an €800 million antitrust penalty levied on Apple and Meta in April.
The French investigation may serve as a legal test case under both national cybercrime legislation and the EU’s newer platform governance frameworks. If charges are ultimately brought, it would mark one of the most serious legal actions taken against a global digital platform in France, potentially setting a precedent for enforcement across the European Union.
At present, the investigation remains in its early stages. However, the appointment of the national gendarmerie signals the prosecutor’s intent to pursue the matter with the full range of legal instruments available under French law. Prosecutors have not ruled out issuing international arrest warrants if key individuals fail to comply with legal summons.
The implications are considerable — not only for Elon Musk’s operations in Europe but also for the broader geopolitical debate over digital sovereignty, platform accountability, and the boundaries of political speech online.
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Paris Prosecutors Investigate Alleged Algorithmic Bias on Social Media Platform X
