US Evidence Rules Committee Delays AI Deepfake Guidance

2 min readSources: LegalTech News, Courthouse News

The U.S. Evidence Rules Committee postponed action on restricting AI deepfake evidence at trial.

Why it matters: Legal professionals face growing uncertainty as AI-generated deepfakes proliferate, making clear evidentiary standards essential for courtroom challenges involving synthetic media.

  • The committee postponed proposed AI deepfake evidence rules on May 7, 2026.
  • It will revisit the issue in its fall meeting, consulting technology experts and litigators.
  • In May 2025, the committee voted 8-1 to seek public comment on Proposed Rule 707.
  • A March 2026 survey found judges want substantial proof for deepfake-related objections.

The U.S. Judicial Conference's Advisory Committee on Evidence Rules decided on May 7, 2026, to delay proposed amendments designed to address how courts handle AI-generated deepfake evidence. The pause comes amid a lack of consensus and ongoing legal uncertainty about how best to regulate synthetic media in the courtroom.

  • The committee reaffirmed its intention to consult with technology experts and litigators in its fall meeting.
  • This move extends the rulemaking timeline, with Southern District of New York Judge Jesse M. Furman noting, "The move means delaying the process for another year, but that's not a high price to ensure the committee is doing the right thing."
  • Proposed Rule 707, first advanced in May 2025, would have imposed reliability standards—similar to the Daubert standard for expert witnesses—on machine-generated evidence, including deepfakes. Public comment on Rule 707 closed in February 2026.
  • An influential Federal Judicial Center survey released in March 2026 shows judges remain cautious, requiring substantial proof—not just assertion—when ruling on deepfake-based objections.

As AI-generated content grows more sophisticated and accessible, the lack of clear standards adds complexity to pretrial challenges, expert testimony, and cross-examination strategies. The committee’s pacing reflects the technical and evidentiary hurdles unique to deepfakes—gaps that legal professionals will need to monitor closely.

By the numbers:

  • 8-1 — Committee vote to seek public comment on Rule 707 in May 2025
  • August 15, 2025–February 16, 2026 — Public comment window for Rule 707
  • 45% — Response rate from 931 judges in the March 2026 Federal Judicial Center survey

What's next: The committee will revisit the proposed amendments in its fall 2026 meeting after consulting experts.