Call

When AI Becomes Evidence

Home » Blog » When AI Becomes Evidence
For more than 30 years, we have had one mission: providing outstanding criminal defense to those who have entrusted us with their representation. If you’ve been arrested and need an experienced criminal defense attorney, contact the law office of Gunter, Bennett, and Anthes today.
For more than 30 years, we have had one mission: providing outstanding criminal defense to those who have entrusted us with their representation. If you’ve been arrested and need an experienced criminal defense attorney, contact the law office of Gunter, Bennett, and Anthes today.
When AI Becomes Evidence
Published On: Jun 29, 2026
|
By Gunter, Bennett and Anthes

When AI Becomes Evidence: ChatGPT Logs, Deepfakes, and Your Criminal Defense in Texas

1. The Story: What Happened?

Federal prosecutors recently put a defendant’s AI chatbot history on trial. In the Pacific Palisades arson case, the government charged Jonathan Rinderknecht with setting a fire that merged into a catastrophic wildfire. Prosecutors did not just rely on witnesses and forensics. They introduced his ChatGPT conversation logs as substantive evidence.

Those logs included AI-generated images of buildings in flames. They included messages about anger and social grievance. Most pointedly, prosecutors showed a screen recording. In it, the defendant asked ChatGPT whether someone could be liable for a fire started by a cigarette. The government argued these chats proved intent.

The jury deadlocked 10 to 2 in favor of acquittal. The court declared a mistrial on June 26, 2026. A retrial is set for October. Reporters at The Verge and Rolling Stone flagged this as one of the first prominent federal cases using chatbot logs against a defendant.

Texas has its own AI-evidence warning. In a Western District of Texas case, a confidential informant produced fabricated audiovisual material. That deepfake helped support a federal indictment against an innocent person. Nobody challenged the file at the time. The truth surfaced only when the informant pleaded guilty to obstruction of justice at his own sentencing.

The government later dismissed the wrongly accused defendant’s case. A Federal Judicial Center survey, released March 25, 2026, catalogued that example. It also showed most judges have never handled a deepfake challenge. The lesson is blunt. AI now sits on both sides of the courtroom. It can be evidence against you. It can also fabricate evidence that frames you.

2. The Legal Breakdown: Demystifying Texas Law

Start with a hard truth. There is no “AI privilege.” When you type into ChatGPT, Claude, or Gemini, you are not talking to a lawyer. Courts treat those chats as ordinary records. They are discoverable, just like emails and texts.

A federal judge in New York drove this home. The court ordered OpenAI to produce millions of de-identified chat logs in unrelated litigation. The court rejected the idea that AI conversations deserve special protection. Until Congress acts, your AI chats are fair game for a subpoena.

Texas evidence law governs how courts admit digital proof. Texas Rule of Evidence 901 requires authentication. The party offering evidence must show it is what they claim. For years, that bar was low for photos, video, and audio. Deepfakes change the math. Convincing fakes can satisfy old authentication habits.

The Fourth Amendment still protects you. Police generally need a warrant to search your phone or devices. The Supreme Court confirmed that in Riley v. California. That ruling matters here. Your AI chat history lives on your devices and in the cloud. Lawful seizure rules still apply.

The Fifth Amendment also matters. You have the right to remain silent. You do not have to unlock a device through compelled testimony in many situations. Texas courts continue to wrestle with passcodes and biometrics.

One more point on parole. Algorithmic risk tools increasingly influence supervision and release decisions. These scores are not infallible. They can embed bias and error. A defense lawyer can question how an agency built and applied a score. Demand transparency before any tool shapes your liberty.

3. The Defense Perspective

In our experience defending serious cases in Central Texas courts, the prosecution’s tech often looks stronger than it is. AI evidence is no exception. We start by attacking the chain and the source.

Take chatbot logs. Context is everything. A person asking ChatGPT a hypothetical question is not confessing. Curiosity is not intent. We push to exclude cherry-picked snippets that distort meaning. We demand the full conversation, not a tidy excerpt.

Authentication is the next battleground. Under Rule 901, the State must prove the evidence is genuine. We test metadata, custody, and extraction methods. We ask who handled the device. We ask whether anyone altered the files. Sloppy collection creates real suppression arguments.

Deepfakes flip the usual posture. The Texas indictment shows the danger. An innocent person faced charges because nobody questioned a fake. So we question everything. We retain forensic experts. We examine compression artifacts, lighting, and audio waveforms. We subpoena originals and source devices.

We also guard against the “deepfake defense” trap. Some litigants cry “fake” to dodge real evidence. Judges see through baseless claims. So our challenges stay grounded in facts and expert analysis. Credibility wins motions.

Finally, we scrutinize how police gathered the data. Did they get a valid warrant for the phone? Did they exceed its scope? Did they use AI-driven facial recognition or surveillance without disclosure? Each misstep can support suppression. We litigate these issues hard, before trial, where they matter most.

4. Key Lessons: Your Rights in the Real World

  • Your AI chats are not private. Treat ChatGPT, Claude, and Gemini like email. Assume a subpoena can reach them.
  • There is no “AI privilege.” Only a licensed attorney creates privilege. A chatbot does not.
  • Talk to a lawyer, not a bot. Use real, confidential legal counsel for legal questions about your case.
  • Stay silent and ask for counsel. Politely decline questions. Say you want a lawyer. Then stop talking.
  • Do not consent to device searches. Make police get a warrant. Do not volunteer passcodes.
  • Question digital evidence. Photos, video, and audio can be faked. Insist on authentication and experts.
  • Challenge algorithmic scores. In bail and parole, demand to know how a tool reached its number.
  • Preserve everything. Keep your own records and devices intact. Do not delete; deletion can backfire.

5. Protect Your Future

AI is reshaping Texas criminal cases right now. Prosecutors are mining chat logs. Bad actors are forging deepfakes. Courts are still catching up. You should not face that alone.

GBA Firm defends clients across Austin and statewide Texas. We litigate hard on suppression, authentication, and constitutional rights. We bring in forensic experts when AI evidence is in play. We also handle parole matters where algorithms threaten your liberty.

If you face charges, or fear an investigation, act early. Do not post about your case. Do not explain yourself to a chatbot. Call us first.

Contact GBA Firm today for a confidential case evaluation. Let us protect your rights, your record, and your future.

Gene Anthes
About the Author:
Gene Anthes

Gene has been practicing criminal law since 2005. He is a former Travis County prosecutor and now practices criminal defense in Central Texas. He is a graduate of the University of Texas at Austin and South Texas College of Law. In his spare time he enjoys boat building and woodworking. He is married and has two daughters.

Schedule a Free
Consultation

Fields marked with an “*” are required

"*" indicates required fields

This field is for validation purposes and should be left unchanged.
I Have Read The Disclaimer*
Archives

Experienced lawyers are ready to help.

Criminal defense is never a nine-to-five job; we’re here when you need us.

Contact Us Now

Schedule a Free Consultation

"*" indicates required fields

This field is for validation purposes and should be left unchanged.