Forensic Scientist

Forensic Scientist handles 18 typical tasks so you can quickly understand the role’s main duties and outcomes. The examples include who benefits, common constraints and key checks. Each one shows where we found it, and comes with an AI prompt you can copy and use straight away.

18evidenced tasks
18ready prompts
9tools of the trade
19-4092.00O*NET-SOC code
19,120hold this job (US, BLS 2025)
$72,060median pay/yr (US)
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What it pays

Government survey numbers — not estimates, not ads.

Half of all Forensic Science Technicians in the U.S. earn more than $72,060 a year — the middle 80% land between $48,250 and $117,250. About 19,120 people in the U.S. do this work. Figures are for the U.S. occupation group “Forensic Science Technicians”. (U.S. Bureau of Labor Statistics survey, published 2025.) In India, Professionals earn about ₹38,298 a month on average — around ₹4.6 lakh a year (government PLFS survey via ILOSTAT, occupation-family figure).
$72,060typical pay / year
19,120people in this work
$117,250+top 10% earn
₹4.6 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.

Analysing4

Reconstruct crime scenes

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Reconstruct the downtown apartment crime scene into a scaled scene diagram showing body position, furniture,…
Reconstruct the downtown apartment crime scene into a scaled scene diagram showing body position, furniture, entry points and measured blood locations, verify measurements against the field notes from Officer Martinez, then export a layered scene file and a one-page summary for Detective Nguyen by Wednesday morning.
The tools that do the workComputer aided design and drafting CADDjob descriptionsO*NET

Examine and analyze blood stain patterns

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Examine the bloodstain patterns in the garage photos and measured template, classify impact types, calculate…
Examine the bloodstain patterns in the garage photos and measured template, classify impact types, calculate angles and origin using the recorded point-to-point measurements, produce an annotated photo set and a three-paragraph interpretation for the lead investigator by tomorrow afternoon.
The tools that do the workMicrosoft Visiojob descriptionsO*NET

Perform tests on weapons or substances

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Perform forensic testing on the recovered knife and the white powder sample: document macroscopic findings,…
Perform forensic testing on the recovered knife and the white powder sample: document macroscopic findings, run presumptive tests, send relevant extracts for confirmatory analysis, note instrument calibration status, and upload chain-of-custody and results summary to the evidence file before 5pm.
The tools that do the workLinuxjob descriptionsO*NET

Operate and maintain laboratory equipment

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Complete the quarterly maintenance and calibration on the gas chromatograph and the imaging microscope,…
Complete the quarterly maintenance and calibration on the gas chromatograph and the imaging microscope, record serial numbers and calibration certificates, schedule next service with LabTech Supply, and circulate the completed equipment log and risk notes to the lab manager by Monday.
The tools that do the workMicrosoft Exceljob descriptionsO*NET
Get approval1

Testify as expert witnesses in court

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Prepare my expert witness packet for the May 12 hearing: compile chain-of-custody, method validation,…
Prepare my expert witness packet for the May 12 hearing: compile chain-of-custody, method validation, instrument logs, and concise findings for the autopsy and lab tests, draft a two-page sworn summary for counsel and schedule a prep call with Prosecutor Ramos this week.
The tools that do the workMicrosoft WordMicrosoft Outlookjob descriptionsO*NET
The daily work13

Wear appropriate protective gear

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Put on the exam gloves, nitrile apron, splash goggles and the respirator, check glove seal and respirator…
Put on the exam gloves, nitrile apron, splash goggles and the respirator, check glove seal and respirator fit, verify sleeves taped, hood fastened and boot covers in place before handling any evidence to prevent contamination and preserve chain of custody.
The tools that do the workLinuxESCOsee the evidence ↗

Calibrate laboratory equipment

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Run the instrument warm-up, attach calibration standards, follow the equipment checklist to adjust zero and…
Run the instrument warm-up, attach calibration standards, follow the equipment checklist to adjust zero and span, record pre- and post-calibration readings on the log, and flag any deviation over allowed tolerance before running case samples.
The tools that do the workMicrosoft ExcelESCOsee the evidence ↗

Train new technicians in forensic techniques

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Train the three new technicians on proper evidence handling and basic serology over two mornings this week,…
Train the three new technicians on proper evidence handling and basic serology over two mornings this week, demonstrate sample preparation and calibration on the hematology analyzer, have each do a supervised extraction and sign off before they handle casework.
The tools that do the workMicrosoft PowerPointMicrosoft Wordjob descriptionsO*NET

Compare objects and impression marks

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Compare the questioned tire track and the exemplar from the suspect vehicle, photograph both with scale, take…
Compare the questioned tire track and the exemplar from the suspect vehicle, photograph both with scale, take microscopic impressions, document matching striations and differences in a comparison worksheet, and prepare a preliminary opinion for the investigator by Friday.
The tools that do the workMicrosoft VisioAdobe Photoshopjob descriptionsO*NET

Examine firearms to determine mechanical condition and legal status, performing restoration work on damaged firearms to obtain information, such as serial numbers.

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Examine the recovered handgun to assess functioning and trace restoration, record serial number recovery…
Examine the recovered handgun to assess functioning and trace restoration, record serial number recovery steps, perform test-fire for headstamp and barrel condition, photograph evidence at each stage, then write the mechanistic and legal status report for case 24-189.
The tools that do the workMicrosoft WordO*NET

Create photographic and sketch-based documentation

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Create a photographic and sketch dossier for the burglary scene: take scaled crime scene photos with north…
Create a photographic and sketch dossier for the burglary scene: take scaled crime scene photos with north arrow, produce a floorplan sketch showing evidence locations and measurements, label each image, then compile a proof-ready PDF for the detective.
The tools that do the workMicrosoft VisioAdobe Photoshopjob descriptions

Operate digital media analysis tools

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Process the seized laptop and smartphone for volatile data, document exact acquisition steps, create a file…
Process the seized laptop and smartphone for volatile data, document exact acquisition steps, create a file hash manifest, extract relevant artifacts, and deliver a forensic extraction report and evidence image set to the prosecutor within three business days.
The tools that do the workLinuxjob descriptions

Observe laboratory activities

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Observe the serology bench during the 08:00–12:00 shift, note each technician’s procedure deviations, PPE…
Observe the serology bench during the 08:00–12:00 shift, note each technician’s procedure deviations, PPE breaches, equipment calibrations and chain-of-custody transfers, photograph any anomalies, and submit a signed deviation report to Dr. Morales by 15:00 today.
The tools that do the workMicrosoft WordMicrosoft OutlookESCO

Support life science professionals

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Attend the case briefing with the infectious disease team at 09:30, review requested assay parameters, advise…
Attend the case briefing with the infectious disease team at 09:30, review requested assay parameters, advise on sample handling limits, draft a one-page protocol addendum with required PPE and hold times, and circulate it to Dr. Singh and the research lead by 12:00.
The tools that do the workMicrosoft WordMicrosoft OutlookESCO

Record test sequences

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Record the PCR run sequence from setup through analysis for instrument 3: list lot numbers, reagent volumes,…
Record the PCR run sequence from setup through analysis for instrument 3: list lot numbers, reagent volumes, thermal profile steps, timestamps for each stage, technician initials, and save the full log and chromatograms to the case folder, then notify QA within two hours.
The tools that do the workMicrosoft ExcelMicrosoft OfficeESCO

Prepare samples for testing

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Prepare ten swabs and three tissue aliquots for toxicology: label with case 22-107, document collection…
Prepare ten swabs and three tissue aliquots for toxicology: label with case 22-107, document collection times, centrifuge and aliquot per SOP, record final concentrations and storage locations in the sample register, and place items into secure freezer A-2 with chain-of-custody forms signed.
The tools that do the workMicrosoft WordMicrosoft ExcelESCOsee the evidence ↗

Laboratory techniques

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Perform microscopy staining and quantitation on slide batch B: follow the staining timetable, calibrate the…
Perform microscopy staining and quantitation on slide batch B: follow the staining timetable, calibrate the light source and magnification against the slide standard, record bead counts and image capture settings, and upload annotated images and counts to the case file before end of shift.
The tools that do the workMicrosoft VisioMicrosoft WordESCOsee the evidence ↗

Operate scientific measuring equipment

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Calibrate the gas chromatograph before the afternoon run: perform the three-point calibration, log the…
Calibrate the gas chromatograph before the afternoon run: perform the three-point calibration, log the calibration curve and residuals, verify detector sensitivity meets acceptance, tag the instrument as ready, and email the calibration certificate to the lab manager.
The tools that do the workMicrosoft ExcelMicrosoft OutlookESCOsee the evidence ↗

Says who?

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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.

The rest of the map

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