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Regulation Tracker / United States (state)

People v. Zachariah C. Crabill, 23PDJ067 (Colo. O.P.D.J. 22 Nov 2023)

Colorado Office of the Presiding Disciplinary Judge · Colorado

last revised 2023-11-22last verified 2026-09-041 versioncountry page →

Judgment (guidance)In forceVerification dutyCompetence

map categories:Sanctions for AI misuseDuty to verify AI outputTechnological competence

Colorado's Presiding Disciplinary Judge suspended Zachariah Crabill for one year and one day, with ninety days served, after he filed ChatGPT-generated citations without reading them, failed to correct the record and blamed a legal intern. Violations found of Colo. RPC 1.1, 1.3, 3.3(a)(1) and 8.4(c).

Applies to
lawyers
Effective
See version history
Current version
Stipulation to discipline · 22 Nov 2023
Last verified
04 Sept 2026
Official text
www.coloradolegalregulation.com/wp-content/uploads/PDJ/Decisions/Crabi…

What the document requires

  • Not reading or verifying AI-generated citations before filing violated Colo. RPC 1.1 and 1.3
  • Failing to alert the court or withdraw the motion after discovering the citations were fictitious violated Colo. RPC 3.3(a)(1)
  • Falsely attributing the errors to a legal intern violated Colo. RPC 8.4(c)
  • Sanction: suspension of one year and one day, ninety days active, remainder stayed on two years' probation

Version history

VersionDateWhat changedSource
Stipulation to disciplinecurrent2023-11-22Approved by the Presiding Disciplinary Judgeofficial

Sources

Cite this record

SafeLegalAI Legal AI Regulation Tracker, "People v. Zachariah C. Crabill, 23PDJ067 (Colo. O.P.D.J. 22 Nov 2023)" (Colorado Office of the Presiding Disciplinary Judge, Stipulation to discipline, 2023-11-22), safelegalai.com/regulation/us-state/us-co-people-v-crabill-discipline (accessed 2026-10-07). Data: CC BY 4.0.

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