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AII-1000-27469
Well documentedThree or more independent publishers report the core facts.Supporting sources are pending verification.

Social media algorithm exposure linked to B.C. teen's death

A 13-year-old from Williams Lake, B.C., reportedly died in September 2025 after being repeatedly exposed to harmful content promoted by a social media algorithm. Her mother has called for stronger child online safety protections, and the B.C. Attorney General has joined her advocacy.

September 2025 Β· Chelsey Whittingham Β· Safety and wellbeing
September 2025
AII-1000-27469
Quick facts
Category
Safety and wellbeing
Country
Canada
Date
September 2025
Drafted by
Raidu Incident Detection

What happened

In September 2025, 13-year-old Maddy Croswell died after repeated exposure to harmful content that was pushed to her by a social media platform, according to her mother Chelsey Whittingham.

Reported impact

The mother described experiencing the worst trauma imaginable from the loss of her daughter, who was a gymnast and student.

Governance controls

Whittingham said she and her family believed they were doing everything they could to protect their child.

In May 2026, B.C. Attorney General Niki Sharma joined the family's call for improved child online safety.

Classification

Category
Safety and wellbeing
Industry
Media, social platforms and marketing
Country
Canada
Harm status
Actual harm
Intent
Unknown
Timing
Unknown
Harm types
Physical death
Harmed
Children
Failure modes
Content moderation failure
AI systems
social media algorithm

Sources and evidence

Sources not yet published

This record was researched and written by the Index from original reporting. Its sources are still being verified by an editor, and they are listed here once that check is complete. Until then the record carries no reviewer.

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