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Understanding the Risks of AI-Generated Evidence in Litigation

December 8, 2025

5 min read

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AI-generated evidence is changing litigation forever. Courts now face deepfakes, AI-enhanced surveillance footage, and automated analysis tools. These technologies promise faster results, but they also create serious challenges, such as distinguishing between factual truth and AI-powered fiction.

Tech Monitor reports that nearly 26% of legal firms are now actively using gen AI tools. AI eDiscovery tools are changing how lawyers collect and review evidence.

While the tools are powerful and efficient, they carry a lot of risks. If you're an attorney, you must be prepared for the courtroom AI challenges that lie ahead.

How Can AI Be Used in Litigation?

Legal document review platforms scan thousands of documents in minutes. They identify patterns that humans miss and flag relevant evidence faster. Law firms are rapidly adopting AI for discovery, with its use expected to increase by 40% in just two years, according to market.us.

Here's how AI helps in eDiscovery investigations:

  • Predictive coding: Learning and applying your decisions to millions of documents
  • Early case assessment: Analysis of data to predict case outcomes before trial
  • Data classification: Sorting evidence by relevance, privilege, or sensitivity
  • Audio and video enhancement: Cleaning up surveillance footage and witness recordings

eDiscovery software for law firms now includes AI features as standard. These tools handle email chains, Slack messages, and mobile device data, making early case assessment faster and cheaper.

Can AI-Generated Evidence Be Admitted in Court?

Yes, AI-generated evidence can be admitted in court, but only under strict conditions. AI evidence reliability depends on several factors. Courts apply the Federal Rules of Evidence to the new technology, and judges examine each piece.

Here's what judges look for:

  • Relevance: Does the AI evidence help prove something important to your case?
  • Reliability: Can you verify the AI system's accuracy and error rates?
  • Authenticity: Can you prove the evidence wasn't tampered with or fabricated?
  • Fairness: Does the AI evidence unfairly prejudice the jury or confuse them?

Authentication still matters with AI evidence. Chain of custody requirements apply to AI-generated evidence just like physical evidence. You must show that the data wasn't altered between collection and trial.

What Are the Risks of AI-Generated Evidence in Litigation?

AI-generated evidence creates serious problems for legal teams. Here are some expected risks:

Lack of Transparency and Explainability

Most AI systems are black boxes. They make decisions without showing their work. The lack of explainability threatens your case.

Opposing counsel will demand explanations, and judges need to understand the reasoning. Additionally, juries won't trust evidence they can't comprehend. If you can't explain how the AI reached its conclusion, it won't survive a Daubert challenge.

Bias and Discrimination

AI learns from data. If that data contains biases, the AI magnifies them. Your eDiscovery investigations face similar risks.

If training data over-represents certain groups or viewpoints, the AI will make skewed decisions.

Authentication and Chain of Custody Challenges

Proving AI-generated evidence is authentic can be complicated. You need to demonstrate the following:

  • No one tampered with the data or algorithms.
  • The output accurately represents what the AI determined.
  • Metadata confirms the evidence's origins.
  • The AI system functioned properly when it created the evidence.

You'll need forensic experts to verify digital chains of custody. Additionally, data scientists must confirm the AI's processing.

Deepfakes and Manipulation

Legal technology risks now include sophisticated forgeries. AI creates fake visual and audio recordings that look completely real.

Your opposing party can submit fabricated evidence without you knowing. Further, your own evidence may get challenged as fake, even when it's genuine.

What Are the Ethical Considerations in AI Use?

The use of AI in litigation is also an ethical one. Your ethical duty is to be competent and diligent with the technology you use. Here are the ethical considerations in AI use:

Proportionality and Do No Harm

When using legal document review platforms for eDiscovery management, you must ensure proportional use of AI and avoid harm. Make sure you balance cost-saving efficiency with the risks of algorithmic bias and error to ensure a fair process.

Safety and Security

E-discovery software for law firms handles sensitive data. Client communications, trade secrets, and personal information all flow through AI systems. As a result, you must ensure:

  • Data stays encrypted during processing.
  • AI vendors follow security best practices.
  • Proper deletion after cases conclude.
  • No unauthorized access to confidential information.

A data breach during early case assessment can expose privileged communications or destroy client trust. Ensure you choose vendors with strong security track records.

Right to Privacy and Data Protection

AI evidence often contains personal data, making privacy laws like GDPR and CCPA directly applicable to eDiscovery investigations. When using eDiscovery software, you must ensure it protects confidentiality and anonymizes data.

Frequently Asked Questions

Can an AI Attorney Actually Defend You in Court?

No, an AI cannot defend you in court. While AI is a powerful tool for research and process automation, it lacks the human judgment, empathy, and persuasive advocacy needed in a courtroom. An AI cannot cross-examine a witness or argue before a jury.

How to Defend Yourself Against an AI Accusation?

If you are facing accusations based on AI-generated evidence, your defense must attack its foundation. Challenge its authenticity by demanding the creators reveal the model, data, and processes used.

Also, question its reliability by highlighting the risks of AI hallucination and bias. Your AI legal strategy should be to force the other side to prove the evidence is genuine and trustworthy.

Is AI the Biggest Threat to Big Law?

AI is not the biggest threat to big law, but it's a powerful shift. The real threat is failing to adapt. Firms that embrace AI for tasks like legal document review platforms and case assessment will gain massive efficiency and offer more competitive services.

Partner With Reveal for AI-Powered eDiscovery Excellence

When AI-generated evidence and investigations get complex, you need partners with proven expertise. They can help you counter the AI risks and follow ethical considerations to get an upper hand.

At Reveal, we're built by the legal experts who have defined eDiscovery for decades. Our team includes former law firm partners who have litigated precedent-setting cases, ensuring our AI-powered platform is engineered with unmatched real-world insight. The deep experience is why our technology delivers superior reliability and strategic advantage.

Contact us today to schedule your demo.

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