Skip to content
Submit incident
AII-1001-35109
Well documentedThree or more independent publishers report the core facts.

AI-generated fake blog post falsely attributed to Simone Biles

A false Facebook post falsely claimed that Olympic gymnast Simone Biles authored a blog post about conservative activist Charlie Kirk following his death, exploiting their past conflict. The AI-generated misinformation spread on the platform, deceiving some users, though major news outlets confirmed no such blog post existed.

19 September 2025 Β· Facebook Β· Misinformation and synthetic media
19 September 2025
AII-1001-351094 sources ↓
Quick facts
Category
Misinformation and synthetic media
Country
United States
Source
For The Win
Date
19 September 2025
Drafted by
Raidu Incident Detection

What happened

A false Facebook post claimed that Olympic gymnast Simone Biles wrote a blog post about conservative activist Charlie Kirk following his death. The posts on Facebook said Biles wrote a dramatic blog post about Kirk after he died, with language describing how "the blog arrived like a lightning strike, sending shockwaves through both the sports and political landscapes."

The AI-generated story exploited a past conflict between Biles and Kirk and spread rapidly on the platform. No such blog post existed; Biles never authored any content about Kirk.

Reported impact

Some Facebook users believed the false claim, demonstrating the effectiveness of the AI-generated misinformation in deceiving audiences. The incident highlighted Facebook's ongoing struggles with misinformation and AI-generated content on its platform.

Index analysis

Trusted sources including Reuters and BBC confirmed there was no record of Biles writing or posting a blog about Kirk, according to reports.

Classification

Category
Misinformation and synthetic media
Industry
Media, social platforms and marketing
Country
United States
Harm status
Actual harm
Intent
Unknown
Timing
Unknown
Harm types
Reputational, Public interest
Harmed
General public
Failure modes
Hallucination, Fabricated citation, Manipulation or dark pattern
AI systems
Unknown AI text generation system

Sources and evidence

This record was researched and written by the Index, based on the following original reporting.

For The Win
Did Simone Biles really write a Charlie Kirk blog post?
18 September 2025
Economic Times
Did Simone Biles really write a blog post about Charlie Kirk? Unpacking misinformation and media manipulation
18 September 2025
Bangla news
Simone Biles Did Not Write a Charlie Kirk Blog Post: Viral Facebook Claim Debunked
18 September 2025
Rolling Out
7 facts that debunk Simone Biles' link to Charlie Kirk blog
19 September 2025
Sep 2026AI-powered influence campaigns manipulate social media in US and IsraelConfirmedMisinformation and synthetic mediaAnadolu AjansΔ±The Jerusalem PostAug 2026AI-Generated 'Cat in the Hat' Threats Trigger School Lockdowns and ArrestsConfirmedMisinformation and synthetic mediaBBCKhaleej timesYahoo News+3Aug 2026AI-generated animal images spread online, raising wildlife conservation concernsReportedMisinformation and synthetic mediaFranceinfoSudOuest.frJul 2026AI deepfakes fueled disinformation during CJP protests in MaharashtraConfirmedMisinformation and synthetic mediaThe Times of IndiaLokmat Timesmid-day+3Jul 2026Deepfake Video of Teacher Spreads Misinformation in Đồng Nai, VietnamConfirmedMisinformation and synthetic mediaBΓ‘o Δ‘iện tα»­ Tiền PhongVietNamNet News