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Musk summoned by French prosecutor in X probe, unclear if he will comply

Published by Global Banking & Finance Review

Posted on April 20, 2026

4 min read

· Last updated: April 21, 2026

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Musk summoned by French prosecutor in X probe, unclear if he will comply
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PARIS, April 20 (Reuters) - Tech billionaire Elon Musk was due to appear before French prosecutors for questioning on Monday, as part of an investigation into X and its AI chatbot Grok that is set to

Elon Musk does not appear at hearing in French prosecutors’ X probe

By Juliette Jabkhiro and Dominique Patton

French Investigation into X and Grok: Key Developments

Background of the Probe

PARIS, April 20 (Reuters) - Tech billionaire Elon Musk on Monday did not appear at a summons for questioning in a French probe into X and its AI chatbot, Grok, over alleged abuse of algorithms and fraudulent data extraction, the Paris prosecutor's office said.

The investigation, which has been expanded in past months to include suspected complicity in the distribution of child pornography and the creation of sexual deepfakes by Grok, has added to strains in relations between the U.S. and Europe over Big Tech and free speech.

The April 20 summons date was set in February, when the Paris prosecutor's cybercrime unit raided the French office of Musk's social-media platform, X.

Official Statements and Responses

"The prosecutor’s office notes the absence of the first individuals who were summoned. Their presence or absence does not hinder the continuation of the investigation,” the prosecutor's statement said, without mentioning Musk by name.

While attendance at Monday's hearing was mandatory, the authorities at this stage could not compel Musk, the world's richest person, to appear. Reuters could not reach representatives for Musk ahead of the summons. In July, Musk denied the initial accusations and said French prosecutors were launching a "politically-motivated criminal investigation."

Regulatory and Legal Context

X has come under scrutiny from regulators and governments in several countries since Musk's 2023 takeover of the platform, previously known as Twitter, with authorities examining issues including content moderation, data practices and compliance with local laws.

Prosecutors have said the French investigation centres on allegations that X’s algorithms distorted the treatment of content on the platform, that it improperly extracted user data and that it violated individuals' rights with sexually explicit deepfakes.

Transatlantic Divide and International Reactions

U.S. Response and Diplomatic Tensions

TRANSATLANTIC DIVIDE

In a sign of the potential for the investigation to worsen already tense relations with Washington, the Wall Street Journal reported on Saturday that the U.S. Justice Department sent a letter to the Paris prosecutor saying it would not cooperate in the probe, which it viewed as politically motivated.

The Paris prosecutor said it had no knowledge of such a letter, and added that "the French constitution guarantees the separation of powers and the independence of the judiciary."

Legal Procedures and Implications

Musk had been summoned for a "voluntary interview" — requested when authorities want to question someone without arresting that person. Prosecutors have no authority to use force to compel the person to appear, but if the person fails to respond to the summons, they may decide to place them in police custody.

"It is preferable to justify one’s refusal and ensure that it is not perceived as an obstacle to the investigation," said criminal defence lawyer Julia Bombardier. "For example, by ensuring that certain representatives are interviewed."

Other Individuals Involved

Former X CEO Linda Yaccarino and several other X staff have also been summoned as witnesses for questioning.

Related Cases

The French cybercrime unit leading the X investigation unit previously arrested Telegram founder Pavel Durov in 2024 over charges including complicity in organised crime carried out on the messaging app, charges his lawyer has described as "absurd."

Durov posted on X early Monday morning that "France is losing legitimacy as it weaponizes criminal investigations to suppress free speech and privacy." 

Broader Context: U.S.-Europe Tech Relations

U.S. President Donald Trump has often accused Europe of treating U.S. big tech companies unfairly through the use of fines, taxes and regulation.     

(Reporting by Dominique Patton and Juliette Jabkhiro; Editing by Richard Lough, Kate Mayberry, Susan Fenton and Ethan Smith)

Key Takeaways

  • The probe began in January 2025 with raids on X’s Paris office in February and has since expanded to include alleged complicity in distributing sexually explicit deepfake images and Holocaust-denying content via Grok (AI chatbot) (apnews.com)
  • The investigation also examines whether the controversy around Grok’s content was manipulated to boost valuation ahead of a planned June 2026 IPO of a combined SpaceX–xAI entity (apnews.com)
  • Despite the summons being mandatory, Musk may decline to attend; U.S. authorities—via the Justice Department—have reportedly refused to assist, characterizing the probe as politically motivated (apnews.com)

References

Frequently Asked Questions

Why was Elon Musk summoned by French prosecutors?
Elon Musk was summoned as part of an investigation into X and its AI Grok over issues including data extraction, content moderation, and suspected distribution of illegal content.
Is Musk required to attend the French prosecutor's hearing?
Attendance is mandatory, but French authorities currently cannot compel Musk to appear.
What are the allegations against X and Grok AI?
Allegations include fraudulent data extraction, complicity in the distribution of child pornography, and creation of sexual deepfakes by Grok.
Are US authorities cooperating with the French probe?
The US Justice Department reportedly declined to cooperate, viewing the investigation as politically motivated.
Who else has been called for questioning in the X investigation?
Former X CEO Linda Yaccarino and other X staff have also been summoned as witnesses.

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