Parents of four teens sue Meta, TikTok, Snapchat and YouTube

Parents of four teenagers who died by suicide sued Meta, TikTok, Snapchat and YouTube in the Superior Court of Delaware, accusing the platforms of design choices and moderation failures that helped drive years of harm. The wrongful-death case puts a new legal target on recommendation algorithms, addictive features and the business model behind feeds built to keep young users engaged.

The families allege the teens suffered social media addiction, severe sleep deprivation, depression, anxiety and suicidal ideation before their deaths. They also say the harm continued long after the companies told Congress and parents they had addressed the dangers, turning the lawsuit into a test of whether those public assurances matched the products families were using at home.

What happens next could matter far beyond the four families. If the complaint survives early motions, the plaintiffs could press for discovery into how the platforms rank posts, recommend videos and respond to signs of self-harm or distress. That would open the door to internal records on product design and moderation practices, the kind of evidence families hope can show whether the damage came from protected speech alone or from features that functioned like a defective product.

The lawsuit lands as lawmakers, regulators and private plaintiffs keep turning up pressure on the industry over child safety. A landmark social media trial in Los Angeles on Feb. 18, 2026, focused on whether platforms deliberately addict and harm children, and separate lawsuits from hundreds of school districts have added to the legal threat. Together, those cases are testing whether years of warnings about teen mental health can be translated into courtroom liability.

For the companies, the Delaware case is another challenge to the argument that parental controls and safety tools are enough. For the families, it is an effort to hold the biggest social platforms accountable for what they say happened after vulnerable teenagers were pulled into systems designed to keep them scrolling.