Justice on Trial: How Social Media Creates Jury Bias
Art provided by Juliette Robertson ‘25
In today’s world, the media plays a massive role in shaping public opinion, especially in legal cases regarding high-profile criminal cases. Social media has made everything more complex, including the justice system’s role in maintaining an impartial process. From traditional news outlets to social media platforms like X and Instagram, the information surrounding a trial can significantly impact the verdict.
The influence of media, mostly social media, has made ensuring impartiality within the courtroom even more challenging than ever. Anna Grafton, a history teacher and Grace’s Mock Trial coach, says, “Any large-scale publications are going to have a huge impact on the jury.” This means that even before entering court, jurors are exposed to media narratives, potentially skewing their ability to decide a case fairly.
Jury impartiality is crucial to upholding our judicial system. In the United States, the entire justice system relies on the idea that jurors can make decisions presented in court. The 6th Amendment guarantees an “…impartial jury” in all criminal cases. Justice William Rehnquist in Smith v. Phillips (1982) states that “due process means a jury capable and willing to decide the case solely based on the evidence before it.” A fair trial is a guaranteed right, and any bias or outside influence can undermine the integrity of the process. Jurors are supposed to set aside their personal feelings, outside information, and media narratives to ensure they make decisions solely based on the evidence. If media influence affects their judgment, the integrity of the trial is compromised, and in extreme circumstances, it can lead to wrongful sentencing and convictions.
“Media coverage can greatly influence how people see legal cases because if the media seems to have one opinion, then it can make you start to agree with that opinion,” said Hannah K. ’26, a member of Grace’s Mock Trial Team. “I think that juries can’t really be unbiased after they see media coverage because there are so many things in the media that aren’t always true, and they can influence people’s decisions.”
Today, the legal system must ensure that jurors remain unbiased despite media coverage. In high-profile trials, jurors must stay neutral while exposed to extensive media coverage and social media posts. This is a very difficult task.
Professor Nancy Marder of Chicago-Kent College of Law warns, in a law review article, that “social media fosters juror prejudice by providing an easily accessible means to search or post information about ongoing trials,” making it increasingly difficult to guarantee people on trials their 6th Amendment right. Today, before jurors even enter the courtroom, they may have already formed opinions because of the media. Media coverage, especially in sensationalized cases, often shapes the narrative, making neutrality a near-impossible task.
High-profile cases are also significantly affected. In the Palin v. New York Times case, jurors were exposed to “push notifications” on their phones, and one notification reported the judge’s decision regarding the Rule 50 motion to dismiss the case. Despite the court’s instructions to avoid media coverage, the notifications reached the jurors, raising concerns about how outside information could influence the verdict. The case highlights how difficult it is to protect jurors from media content, especially in high-profile cases with extensive coverage.
Similarly, in the Johnny Depp—Amber Heard defamation trial, media coverage created an atmosphere in which the trial became less about facts and more about the viral content surrounding the case. The trial, which was broadcast live and posted on social media, led to widespread public discourse on the Internet. The social media campaigns, including the hashtag #JusticeforJohnnyDepp, were overwhelming and created a biased public perception, which could have influenced the jurors. Sensationalized media coverage like this poses the threat of limiting the impartiality of the jury.
As the media continues to shape public opinion, it’s clear that its influence on the judicial system has to be addressed. Social media amplifies this, making it increasingly difficult for jurors to focus only on the evidence presented in the course. In these cases, jurors were exposed to outside information despite instructions to ignore it, raising concerns about the integrity of these trials. Ms. Grafton shared that when “talking to David Miller, our [mock trial] attorney, he said [in an ideal world] he would never have a jury, and he would have a bench trial” because of the risk of outside information.
With today’s rapid spread of information, even the most well-intentioned jurors may struggle to avoid social media narratives that could change their perspectives. The justice system needs to evolve to deal with the challenges social media creates. Courts need to find ways to protect juror impartiality; this includes reinforcing jury instructions, considering restricting media, and, at the most extreme, considering jury sequestration. The right to a fair trial is in danger, and steps need to be taken to protect it. Without action, the integrity of our legal system could be compromised.
Zarina Medeiros ‘26, the author, is a staff writer for The Grace Gazette.