Will detectives be replaced by AI?
Updated
Detectives score 35 of 100 for AI exposure. 53% of their task time still needs a person. AI can do 14% today and speed up another 33%.
- 14% AI can do it
- 33% AI helps
- 53% Needs a person
Moderate exposure
Lower than 54% of the 923 occupations we scored.
Task by task
We graded 30 tasks, listed here from most to least exposed. AI can do 4 of them today, speeds up 10 and leaves 16 to people.
| Task | AI exposure |
|---|---|
| Examine records and governmental agency files to find identifying data about suspects. Database and records searches are highly automatable with AI tools. | 70% AI can do it |
| Analyze completed police reports to determine what additional information and investigative work is needed. Reviewing report text for gaps is strong LLM document work. | 68% AI can do it |
| Examine records to locate links in chains of evidence or information. Cross record link finding suits AI analysis, with human review. | 66% AI can do it |
| Prepare reports that detail investigation findings. Report drafting from notes is strong LLM work with review. | 65% AI can do it |
| Record progress of investigation, maintain informational files on suspects, and submit reports to commanding officer or magistrate to authorize warrants. AI can draft progress logs and reports; supervisor reviews. | 55% AI helps |
| Prepare charges or responses to charges, or information for court cases, according to formalized procedures. Court filings follow templates; AI drafts them, humans verify. | 55% AI helps |
| Identify case issues and evidence needed, based on analysis of charges, complaints, or allegations of law violations. Case issue analysis from complaints is strong LLM analytical work. | 55% AI helps |
| Provide information to lab personnel concerning the source of an item of evidence and tests to be performed. Lab request forms are routine writing; AI can draft them. | 40% AI helps |
| Obtain and verify evidence by interviewing and observing suspects and witnesses or by analyzing records. Interviews stay human; record checks and verification gain AI help. | 40% AI helps |
| Notify, or request notification of, medical examiner or district attorney representative. Routine notifications can be scripted; calls still need humans. | 35% AI helps |
Show the other 20 tasks
| Task | AI exposure |
|---|---|
| Obtain facts or statements from complainants, witnesses, and accused persons and record interviews, using recording device. Live questioning stays human; AI can transcribe recordings. | 30% AI helps |
| Determine scope, timing, and direction of investigations. Strategic scope and timing calls need human judgement; AI advises. | 30% AI helps |
| Collaborate with other offices and agencies to exchange information and coordinate activities. Coordination across agencies depends on relationships and live exchange. | 30% AI helps |
| Preserve, process, and analyze items of evidence obtained from crime scenes and suspects, placing them in proper containers and destroying evidence no longer needed. Evidence handling needs skilled hands; AI aids only analysis. | 22% Needs a person |
| Prepare and serve search and arrest warrants. Warrant affidavits can be drafted; serving them is physical. | 22% AI helps |
| Perform undercover assignments and maintain surveillance, including monitoring authorized wiretaps. Undercover work is human; AI helps only with wiretap transcripts. | 18% Needs a person |
| Notify command of situation and request assistance. Radio and phone escalation to command is mostly human. | 15% Needs a person |
| Obtain summary of incident from officer in charge at crime scene, taking care to avoid disturbing evidence. In person briefing at scene with officers; little AI help. | 12% Needs a person |
| Note, mark, and photograph location of objects found, such as footprints, tire tracks, bullets and bloodstains, and take measurements of the scene. Photographing and measuring a scene is physical, on site work. | 12% Needs a person |
| Organize scene search, assigning specific tasks and areas of search to individual officers and obtaining adequate lighting as necessary. Directing a scene search on site needs live physical coordination. | 12% Needs a person |
| Question individuals or observe persons and establishments to confirm information given to patrol officers. Live observation and questioning of people happens in person. | 10% Needs a person |
| Maintain surveillance of establishments to obtain identifying information on suspects. Surveillance is physical and watchful; AI helps only with footage. | 10% Needs a person |
| Testify before grand juries concerning criminal activity investigations. Live testimony before grand juries is personal and legally accountable. | 10% Needs a person |
| Search for and collect evidence, such as fingerprints, using investigative equipment. Collecting fingerprints and physical evidence needs hands on skill. | 8% Needs a person |
| Secure deceased body and obtain evidence from it, preventing bystanders from tampering with it prior to medical examiner's arrival. Securing a body and handling it on scene is physical. | 5% Needs a person |
| Summon medical help for injured individuals and alert medical personnel to take statements from them. Emergency medical response on scene is physical and urgent. | 5% Needs a person |
| Secure persons at scene, keeping witnesses from conversing or leaving the scene before investigators arrive. Physically holding people at a scene requires human presence. | 4% Needs a person |
| Check victims for signs of life, such as breathing and pulse. Checking breathing and pulse requires hands on physical presence. | 3% Needs a person |
| Participate or assist in raids and arrests. Raids and arrests are physical and high risk on scene. | 3% Needs a person |
| Block or rope off scene and check perimeter to ensure that entire scene is secured. Roping off and patrolling a perimeter is physical work. | 3% Needs a person |
How detectives compare
All occupations (923)
Protective service (26)
Pay and outlook in the US
- Median pay
- $93,790 a year, May 2025
- People employed
- 114,430 in the US, May 2025
- Projected change in jobs
- +0.2% from 2024 to 2034
Skills to build
- Run SQL queries against criminal records databases
- Build evidence link charts in Microsoft Visio
- Verify AI-drafted investigation reports against source files
- Draft warrant affidavits and charging documents in Microsoft Word
- Testify in court on evidence chains and findings
- Secure scenes and handle physical evidence on site
Safer roles nearby
5 related occupations with lower scores.
Questions about detectives and AI
Will AI replace detectives?
Partly. About 3 in 10 working hours for a detective go to tasks AI can already do, mostly searching records for identifying data on suspects and analyzing police reports for gaps. Work at the scene, arrests, and witness handling stays with people because it needs a person physically present.
Which detective tasks is AI taking over?
Records work and report writing are the main losses. Examining government agency files for identifying data about suspects scores 70 on exposure, and preparing reports on investigation findings scores 65. AI can run the database pass and draft the write-up from notes, and the detective checks the output before it goes further.
Which detective tasks stay human?
Scene work stays with people. Checking victims for breathing and pulse scores 3 on exposure, and roping off a perimeter scores 3 as well. Holding witnesses in place scores 4. These tasks need a person on site, handling bodies and evidence and making calls in real time.
How can detectives stay valuable as AI takes over records work?
Shift time toward scene work, witness interviews, and court testimony, where exposure stays near 3 to 5. Learn SQL so you can audit the database output AI returns. Build link charts in Visio and check every AI-drafted report in Word against the original case file. Keep sign-off on warrant affidavits, since a person carries the legal responsibility.
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