Crime Scene Investigator Csi

Crime Scene Investigator Csi is laid out through 20 concrete tasks so newcomers see immediately what they will do and when. Tasks include checks, follow‑up steps and common time estimates. Each one shows where we found it, and comes with an AI prompt you can copy and use straight away.

20evidenced tasks
20ready prompts
9tools of the trade
33-3021.02O*NET-SOC code
114,430hold this job (US, BLS 2025)
$93,790median pay/yr (US)
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What it pays

Government survey numbers — not estimates, not ads.

Half of all Detectives and Criminal Investigators in the U.S. earn more than $93,790 a year — the middle 80% land between $55,390 and $160,540. About 114,430 people in the U.S. do this work. Figures are for the U.S. occupation group “Detectives and Criminal Investigators”. (U.S. Bureau of Labor Statistics survey, published 2025.) In India, Service and sales workers earn about ₹15,575 a month on average — around ₹1.9 lakh a year (government PLFS survey via ILOSTAT, occupation-family figure).
$93,790typical pay / year
114,430people in this work
$160,540+top 10% earn
₹1.9 lakha year in India (family avg)
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The work, task by task

These are the real jobs-to-be-done, not a wish list. Each task shows where we found it, and the prompt underneath is written for that exact task.

Protecting2

Photograph evidence

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Photograph the bloodied handgun, cartridge cases on the living room rug, and a 3cm laceration on the victim's…
Photograph the bloodied handgun, cartridge cases on the living room rug, and a 3cm laceration on the victim's temple with scale and multiple angles, verify exposure and metadata, then upload the RAW files to the case folder and log chain-of-custody.
The tools that do the workDataWorks Plus Digital CrimeScenejob descriptionsO*NET

Take fingerprints.

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Lift and photograph latent prints from the front door handle, dresser drawer and kitchen tap using powder and…
Lift and photograph latent prints from the front door handle, dresser drawer and kitchen tap using powder and tape, record sequence and technician initials, scan the high-resolution impressions and attach them to the suspect file for comparison.
The tools that do the workDeChant Consulting Services iWitnessjob descriptionsO*NET
The daily work18

Package, store and retrieve evidence.

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Package the burglary evidence kit, seal each item in numbered evidence bags with chain-of-custody tags, log…
Package the burglary evidence kit, seal each item in numbered evidence bags with chain-of-custody tags, log entries in the unit evidence log, store the kit in cold evidence locker B2, and retrieve it for Detective Morales' lab drop-off on Monday morning after confirming all seals and signatures.
The tools that do the workDataWorks Plus Digital CrimeSceneO*NET

Dust selected areas of crime scene and lift latent fingerprints, adhering to proper preservation procedures.

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Dust the living room doorway, window ledge, and kitchen sink for latent prints, lift any developed prints…
Dust the living room doorway, window ledge, and kitchen sink for latent prints, lift any developed prints onto numbered cards using adhesive lifters, photograph each lift with scale, place cards into paper evidence envelopes, and document preservation steps before transporting to the lab.
The tools that do the workDeChant Consulting Services iWitnessO*NET

Perform emergency work during off-hours.

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Respond to tonight's priority scene, conduct immediate scene security and lifesaving checks, document initial…
Respond to tonight's priority scene, conduct immediate scene security and lifesaving checks, document initial observations and scene integrity, collect perishable evidence under emergency protocol, log actions in the incident log, and notify on-call detective before handing scene back.
The tools that do the workMicrosoft WordO*NET

Interview survivors, witnesses, suspects, and other law enforcement personnel.

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Interview the surviving witness and the neighbor who heard the altercation, use open questions to establish…
Interview the surviving witness and the neighbor who heard the altercation, use open questions to establish timeline, record the session with consent, note inconsistencies and stress indicators, obtain signed witness statements, and notify the lead detective of any admission or probable cause.
The tools that do the workDeChant Consulting Services iWitnessO*NET

Apprehend offenders

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Apprehend the suspect observed near the scene using arrest team procedures, advise them of their rights,…
Apprehend the suspect observed near the scene using arrest team procedures, advise them of their rights, secure any weapons, photograph and inventory personal effects, transport to booking while documenting use-of-force decisions and notifying supervising officer.
The tools that do the workMicrosoft WordESCO

Perform patrol activities

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Conduct the evening patrol of assigned sector on foot and in vehicle, check known hot-spot addresses, make…
Conduct the evening patrol of assigned sector on foot and in vehicle, check known hot-spot addresses, make contact with unsecured businesses, log observations and suspicious activity in the shift log, and immediately report any scene requiring CSI response.
The tools that do the workMicrosoft ExcelESCO

Use different communication channels

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Notify dispatch, patrol sergeant Jaime Ortiz, and the on-call detective by text, radio and email that I am at…
Notify dispatch, patrol sergeant Jaime Ortiz, and the on-call detective by text, radio and email that I am at 412 Maple with a secured perimeter, list visible hazards and evidence locations, and request a K9 and traffic control within ten minutes.
The tools that do the workMicrosoft OfficeMicrosoft WindowsESCOsee the evidence ↗

Apply first response

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Record arrival time, initial observations, and life signs of victims on the incident log, secure the scene,…
Record arrival time, initial observations, and life signs of victims on the incident log, secure the scene, notify medics and the lead investigator Sergeant Kim, and preserve the primary evidence path before any other unit enters.
The tools that do the workMicrosoft WordESCOsee the evidence ↗

Comply with the principles of self-defence

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Assess immediate threats, create a defensive posture that keeps myself and bystanders safe, announce presence…
Assess immediate threats, create a defensive posture that keeps myself and bystanders safe, announce presence and orders loudly, call for backup if force may be necessary, and document the justification and proportional steps taken.
The tools that do the workMicrosoft WordESCOsee the evidence ↗

Road traffic laws

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Confirm traffic flow risks, set up cones and warning signs, notify highway patrol and towing, photograph…
Confirm traffic flow risks, set up cones and warning signs, notify highway patrol and towing, photograph vehicle positions and skid marks, and log road closures and estimated re-opening time for the duty roster.
The tools that do the workMicrosoft VisioAdobe PhotoshopESCOsee the evidence ↗

Detain offenders

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When detaining a suspect, announce the grounds for detention, secure hands behind the back using approved…
When detaining a suspect, announce the grounds for detention, secure hands behind the back using approved restraints, search for weapons with a witness present, inform them of custody rights, and radio for transport and booking instructions.
The tools that do the workMicrosoft WordESCOsee the evidence ↗

Ensure compliance with types of weapons

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Inventory and photograph any weapon at scene, tag make/model and serial if present, check legal restrictions…
Inventory and photograph any weapon at scene, tag make/model and serial if present, check legal restrictions and notify ballistics unit, secure items in evidence locker with chain-of-custody labels and log for prosecution use.
The tools that do the workDataWorks Plus Digital CrimeSceneAdobe PhotoshopESCOsee the evidence ↗

Provide support to victimised parties

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Arrange face-to-face support for the two adults and one teenage witness from 14:00 to 15:30 today at the…
Arrange face-to-face support for the two adults and one teenage witness from 14:00 to 15:30 today at the station victim suite, bring the incident summary, evidence log and contact details, and confirm a family liaison officer will attend.
The tools that do the workMicrosoft WordMicrosoft ExcelESCO

Fulfil administrative duties

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Complete and file the scene administrative pack for incident 2026-0789 before shift end: intake form,…
Complete and file the scene administrative pack for incident 2026-0789 before shift end: intake form, chain-of-custody sheets, evidence inventory and booking receipts, then email the duty supervisor the folder reference and location.
The tools that do the workMicrosoft OfficeMicrosoft ExcelESCO

Ensure law application

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Review the statutory powers and arrest guidance applicable to this burglary report, note any breaches of…
Review the statutory powers and arrest guidance applicable to this burglary report, note any breaches of procedure by responding officers, prepare a short briefing for the sergeant and list required witness cautions and next legal steps.
The tools that do the workMicrosoft WordESCOsee the evidence ↗

First response

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Attend the scene immediately as first responder, secure the perimeter, conduct a rapid hazards sweep,…
Attend the scene immediately as first responder, secure the perimeter, conduct a rapid hazards sweep, preserve affected areas for forensic entry and radio command with initial observations and ETA for evidence team.
The tools that do the workLinuxESCOsee the evidence ↗

Legal use-of-force

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Assess the use-of-force report from last night, verify all force options were proportionate and documented,…
Assess the use-of-force report from last night, verify all force options were proportionate and documented, interview the two officers involved and produce a findings note for professional standards by Wednesday.
The tools that do the workMicrosoft WordMicrosoft ExcelESCOsee the evidence ↗

Patrol areas

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Schedule and run a foot patrol of the high-rise block during the 18:00–20:00 shift, log door-to-door checks,…
Schedule and run a foot patrol of the high-rise block during the 18:00–20:00 shift, log door-to-door checks, photograph any open entrances, and submit a patrol report with location pins and times to sector control.
The tools that do the workMicrosoft VisioAdobe PhotoshopESCOsee the evidence ↗

Says who?

These are the pages we read to build this. Open any of them and check us.

The logs, files & records this job keeps

Shared with other careers — the same record means something different in each.

Related careers

Same family of work — each with its own tasks and prompts.

The LLOS Work Atlas is the world's largest evidenced task library — a map of human work, with a ready prompt behind every task. 1,774 careers · every task named by the sources that witnessed it — O*NET, ESCO, real job descriptions, Wikipedia — and the deepest tasks by several at once. And it is honest about limits: where AI cannot help, the map says so.

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Built on public evidence: O*NET®, ESCO, Wikipedia, U.S. Bureau of Labor Statistics, ILOSTAT. All sources & licenses