The justice system does not fail only when evidence is missing or fabricated. It also fails when we stop questioning what evidence actually proves. Lawyers, investigators, experts, and jurors must learn to examine evidence with discipline and skepticism, because a piece of data can be completely authentic and still be dangerously misunderstood.
This matters to everyone, not just people who enter a courtroom. A photograph, GPS record, surveillance video, medical record, or digital timestamp can influence whether someone loses their freedom, reputation, livelihood, or future. We often assume that, because something looks objective, it must also be clear. That assumption is where problems begin. Evidence does not explain itself. Humans interpret it, and human interpretation is vulnerable to error.
I have seen this happen firsthand. In one case involving a devastating collision between a passenger vehicle and a large commercial vehicle, the initial impression was that the crash was simply a head-on collision. But when I carefully examined the images, I saw something different. The damage pattern showed a significant difference between the driver’s side and passenger side of the vehicle. What appeared obvious at first glance required a deeper analysis to understand what actually happened.
That experience reinforced a lesson that has shaped my career: the first explanation attached to evidence is not always the correct one. Once a narrative takes hold, it can influence everything that follows. Investigators may unconsciously search for facts that support their theory. Lawyers may build arguments around assumptions that have not been fully tested. Even experts can be affected by information that should never have influenced their analysis.
The Danger Of Confirmation Bias
This is the danger of confirmation bias. The problem is not that people intentionally ignore the truth. The problem is that people are often unaware of how strongly an early conclusion can shape the way they see everything afterward.
Evidence must be investigated, not simply accepted. A GPS record does not automatically provide a perfect location. A video does not automatically reveal the entire story. Scientific testing can produce valuable results, but those results still require careful interpretation. Technology can preserve information, but it cannot decide what that information means.
This challenge is becoming even more urgent as artificial intelligence transforms the way evidence is created and manipulated. According to the 2026 International AI Safety Report, AI-generated content is becoming increasingly difficult to distinguish from authentic material, creating risks for fraud, identity deception, and the reliability of digital evidence. A 2026 fraud technology report by the Association of Certified Fraud Examiners (ACFE) and SAS found that only 7 percent of surveyed anti-fraud professionals considered their organizations highly prepared to detect or prevent AI-driven fraud. The legal system cannot afford to treat digital evidence as automatically trustworthy simply because it appears sophisticated.
Tech Must Strengthen Justice
The future we want is one where technology strengthens justice. In that future, lawyers understand the tools they use. Experts are challenged appropriately. Courts evaluate evidence based on what it can actually establish, not what people assume it shows. Technology becomes a pathway to truth rather than a shortcut to certainty.
The alternative is a justice system overwhelmed by the illusion of objectivity. More data could create less clarity. Artificial intelligence could produce convincing false evidence, while genuine evidence could be dismissed as fake. A persuasive narrative could overpower inconvenient facts. Innocent people could be harmed, and accountability could become harder to achieve.
The solution is not to fear technology. It is to become better at questioning it.
Every attorney, investigator, expert, and decision-maker involved in the justice system must adopt a higher standard for evaluating evidence. Before accepting any critical piece of evidence, ask the questions that protect against error: How was this evidence created? Who collected it? Was it preserved correctly? What assumptions shaped its interpretation? What limitations does the technology or methodology contain? What alternative explanations have not yet been fully examined?
Lawyers Must Investigate Evidence
Lawyers must become investigators of evidence itself. They must understand enough about the science, technology, and methodology behind the evidence to challenge conclusions that appear certain but may not be. They must seek qualified forensic guidance when evidence could determine the outcome of a case, and they must resist the temptation to accept the simplest explanation merely because it arrives first.
The standard we should demand is simple: Do not ask only whether evidence exists. Ask whether we truly understand what it means.
Lisa Parlagreco is a trial and appellate attorney at Parlagreco Law whose work includes cases involving scientific, technical, and forensic evidence.
The views expressed in this article are her own.