Will AI replace detectives?

Part of the work, not the whole job. AI could take on about 31% of the working time in a typical detective job today. The other 69% still needs a person.

69% of the work still needs a person.

Needs a person: 69%A person checking AI: 13%AI alone: 18%

The bracket under the bar is the evidence range for the share AI could take on: 25 to 31%. One end comes from how well AI did each responsibility in real use, or a second rating where that isn't measured. The other is our figure, which also follows research across the industry.

29 responsibilities in a typical detective job. Median pay $93,790 a year in the U.S. (BLS, May 2025).

Still needs a person

  • Interview suspects and witnesses
  • Take statements from witnesses
  • Handle and preserve evidence
  • Question people in the field
  • Collect physical evidence at scenes
  • Serve search and arrest warrants

AI can do or help with

  • Write investigation reports AI helps
  • Set the direction of an investigation AI helps
  • Track case progress and file reports AI helps
  • Spot gaps in police reports AI helps
  • Search records for suspect leads AI helps
  • Identify evidence a case needs AI helps

The biggest responsibilities of each kind. "AI helps" means AI takes on part of the work, or most of it with a person checking what it produces. See all 29, with the reason for each and the cost of handing them to AI.

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Questions people ask

Will AI replace detectives?

Part of the work, not the whole job. AI could take on about 31% of the working time in a typical detective job today. The other 69% still needs a person. That is a split of the work, not a forecast of jobs lost.

Which parts of the job can AI do?

The biggest ones AI can do or help with: write investigation reports, set the direction of an investigation, track case progress and file reports, spot gaps in police reports, search records for suspect leads, identify evidence a case needs.

Which parts still need a person?

The biggest ones: interview suspects and witnesses, take statements from witnesses, handle and preserve evidence, question people in the field, collect physical evidence at scenes, serve search and arrest warrants.

How is this measured?

The U.S. Department of Labor lists 30 responsibilities for this job (O*NET 31.0), and the split covers the 29 people in it do today. Each is scored on 4 questions: can AI do it, does it get it right, must a person sign for it, and do people need to deal with a real person. The split is weighted by how much of the job each responsibility takes up. The evidence range for the share AI could take on is 25 to 31%. One end comes from how well AI did each responsibility in real use, or a second rating where that isn't measured. The other is our figure, which also follows research across the industry. Scores version 0.7.3, updated October 12, 2026.

Responsibilities from O*NET 31.0 (U.S. Department of Labor). Pay from the Bureau of Labor Statistics, May 2025. Scores are calibrated to published research and updated every month. How it works.

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