No jury verdict has been reached yet in the landmark Los Angeles social media addiction trial involving Meta and YouTube. As of March 25, 2026, jurors are actively deliberating on whether the social media giants caused mental health harm to young users, with a decision expected in the coming weeks. The case centers on K.G.M., a now-19-year-old plaintiff who alleges that Instagram, Snapchat, and TikTok caused her depression, anxiety, and body dysmorphia during her teenage years.
The Los Angeles trial represents one of the most significant legal challenges to Big Tech’s practices regarding child safety and mental health. The outcome will likely influence how other courts evaluate Meta’s liability in similar cases across the country. With Meta CEO Mark Zuckerberg and Instagram head Adam Mosseri expected to testify, and thousands of pages of internal company documents already introduced as evidence, this trial has drawn intense scrutiny from regulators, mental health advocates, and parents concerned about social media’s impact on teenagers.
Table of Contents
- What Are the Core Claims Against Meta in This Social Media Addiction Trial?
- Where Do Jury Deliberations Stand in the Los Angeles Trial?
- The New Mexico Verdict—A Major Win for Plaintiffs Against Meta
- How Do the 2,000+ Pending Lawsuits Connect to This Trial?
- What Evidence and Expert Testimony Will Influence the Jury’s Decision?
- Meta CEO Mark Zuckerberg and Instagram’s Adam Mosseri Expected to Testify
- What Comes Next—Timeline and Implications
What Are the Core Claims Against Meta in This Social Media Addiction Trial?
The lawsuit alleges that Meta knowingly designed Instagram and allowed Snapchat and TikTok to be addictive platforms that deliberately harm children’s mental health. The plaintiff, K.G.M., claims she experienced depression, anxiety, and body dysmorphia—a distressing preoccupation with perceived flaws in physical appearance—as a direct result of using these apps during her teenage years. Her case represents thousands of similar claims filed across the country by parents and young adults who believe social media platforms caused psychological harm.
The legal theory underlying these claims is that Meta engaged in deceptive and unfair business practices by failing to disclose what internal research showed about the mental health risks to young users. According to court filings, the company possessed extensive internal research documenting how its algorithms and features could negatively impact adolescent wellbeing, yet continued deploying these designs without adequate warnings or protections. This disconnect between what Meta knew internally and what the public understood about platform risks forms the foundation of the plaintiff’s case. Unlike previous social media litigation that focused on specific features like time-tracking or notification systems, this case takes a broader approach: arguing that the platforms themselves were designed to be addictive and that addiction directly caused measurable mental health decline in teenage users.
Where Do Jury Deliberations Stand in the Los Angeles Trial?
jury deliberations are currently underway with no timeline for when a verdict will be announced. The trial is expected to last several weeks, meaning a decision could come within days or extend into April 2026. The jury must weigh complex evidence about platform design, internal company research, expert testimony, and causation—that is, whether social media use directly caused the plaintiff’s mental health conditions or merely contributed to them. The burden of proof in this civil case is “preponderance of the evidence,” meaning the jury must find it more likely than not that Meta and YouTube are liable. However, the jury also must determine appropriate damages if they do find liability, which involves assessing how much compensation the plaintiff deserves for her claimed injuries.
The complexity of quantifying mental health damages—compared to, say, a physical injury with clear medical bills—makes this jury’s job particularly challenging. One important limitation to understand: a jury verdict in this single case does not automatically establish liability in the 2,000+ other pending lawsuits. However, it will likely influence settlements and negotiation strategies significantly. If the jury rules in favor of the plaintiff with substantial damages, Meta faces pressure to settle other cases. Conversely, if the jury rules against the plaintiff, other attorneys may recalibrate their legal theories or evidence strategies.
The New Mexico Verdict—A Major Win for Plaintiffs Against Meta
Just days before the Los Angeles jury began deliberations, a New Mexico jury delivered a landmark verdict on March 24, 2026: Meta was found liable on all counts and ordered to pay $375 million in damages. The jury determined that Meta engaged in “unfair and deceptive” and “unconscionable” trade practices, and concluded that Meta knowingly harmed children’s mental health while concealing its knowledge of child sexual exploitation on the platform. This New Mexico ruling carries significant symbolic and practical weight. It demonstrates that juries in different jurisdictions are willing to hold Meta accountable for harm to minors.
The $375 million award establishes a precedent for damages—though not a binding one—that other plaintiffs’ attorneys and Meta’s legal team will reference in settlement discussions and future trials. Importantly, the New Mexico verdict found that Meta’s conduct was not merely negligent or inadvertent, but deliberate and deceptive, which strengthens the legal theory behind cases like K.G.M.’s in Los Angeles. However, it’s critical to note that different juries in different states may reach different conclusions based on local evidence, witness testimony, and jury composition. The New Mexico verdict does not guarantee similar outcomes in California or other states, though it certainly influences the risk calculation for all parties involved.
How Do the 2,000+ Pending Lawsuits Connect to This Trial?
Over 2,000 similar lawsuits are currently pending against Meta, and they are directly affected by the Los Angeles trial’s outcome. Many of these cases involve similar claims—that Meta’s platforms caused depression, anxiety, body image issues, and other mental health harm—but they involve different plaintiffs, different states, and slightly different legal theories. The Los Angeles jury’s verdict will serve as a bellwether, a test case that signals how juries in general are likely to view these claims. If the jury finds Meta liable with significant damages, expect a wave of settlement negotiations. Meta may decide that the cost and reputational risk of multiple trials justifies paying substantial settlements to resolve pending cases.
Alternatively, if the jury rules against the plaintiff, other plaintiffs’ attorneys may abandon certain legal theories or focus on different evidence. The stakes are enormous: even a moderate average settlement per case across 2,000 lawsuits could cost Meta billions of dollars. From a plaintiff’s perspective, this creates a double-edged dynamic. Those whose cases are scheduled for trial soon may see faster progress if settlements surge. However, if you have a case pending, the Los Angeles verdict will likely determine whether your case settles quickly for a modest amount or goes to trial where you might win more—or lose entirely.
What Evidence and Expert Testimony Will Influence the Jury’s Decision?
The trial has already included testimony from mental health experts who explained how social media algorithms can reinforce negative thoughts, how the “like” and comment systems create feedback loops that damage self-esteem, and how constant exposure to curated, idealized images of other users’ lives contributes to body dysmorphia and anxiety. Expert witnesses have also testified about adolescent brain development, explaining why teenagers are particularly vulnerable to addictive design patterns and negative social comparison. Internal Meta documents introduced as evidence include research memos, emails, and product strategy papers that allegedly show the company understood the mental health risks of its platforms. According to reports, these documents included findings that Instagram’s “Compare” and photo-focused features increased body dissatisfaction among teenage girls.
The presence of such internal knowledge is crucial because it supports the argument that Meta’s harmful effects were not accidental but the result of deliberate choices. However, it’s important to recognize a limitation: expert testimony about mechanisms does not automatically prove causation in an individual case. The jury must determine whether Meta’s platform caused K.G.M.’s specific mental health conditions, or whether other factors—family stress, school environment, genetic predisposition—were primary causes and social media was secondary. This is the most difficult aspect of the case legally and why the trial has extended over many weeks.
Meta CEO Mark Zuckerberg and Instagram’s Adam Mosseri Expected to Testify
The trial’s high-profile roster of expected witnesses includes Meta CEO Mark Zuckerberg and Adam Mosseri, head of Instagram. Their testimony is critical because it allows plaintiffs’ attorneys to ask directly about company knowledge, decision-making, and internal communications regarding mental health risks. Cross-examination of these executives offers the opportunity to establish that executives at the highest levels were aware of harm but proceeded anyway, which strengthens claims of intentional misconduct versus simple negligence.
Zuckerberg’s testimony is particularly significant because he controls Meta’s overall strategic direction and has previously made public statements about the company’s commitment to safety. If internal documents contradict these public statements, the jury may view this as evidence of deception. Similarly, Mosseri’s testimony about Instagram’s design choices and the decision to prioritize engagement metrics could reveal prioritizing growth and advertising revenue over user welfare. These witness testimonies transform the case from abstract legal arguments into direct confrontation with company leadership, which can be powerful for juries who want to hold specific decision-makers accountable.
What Comes Next—Timeline and Implications
A verdict in the Los Angeles case could arrive at any point, though the trial is expected to last several more weeks from the start of jury deliberations. Once a verdict is reached, both sides will likely file appeals if they believe legal errors occurred, potentially extending the litigation process by years. However, appeals do not typically delay settlement negotiations for other pending cases.
Regardless of the Los Angeles outcome, the momentum from the New Mexico $375 million verdict suggests that courts and juries are increasingly willing to hold social media companies accountable for child safety failures. Other states may see similar verdicts in coming months, which could accelerate Meta’s incentive to settle rather than continue fighting in court. The next 6 to 12 months will likely determine whether the social media liability landscape fundamentally shifts and what compensation becomes available to affected users.