Latent Print Technician

Latent Print Technician handles the core on-the-job duties listed here and this page contains 18 real tasks you can try. Expect clear steps and real-world examples to show how work flows in Forensic Science. Each one shows where we found it, and comes with an AI prompt you can copy and use straight away.

18evidenced tasks
18ready prompts
8tools 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.

Analysing5

Operate and maintain laboratory equipment

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Run the daily calibration and preventive maintenance on the fingerprint scanner, document readings and any…
Run the daily calibration and preventive maintenance on the fingerprint scanner, document readings and any anomalies in the equipment log, replace the latent powder reservoirs and imaging lamp if out of spec, and report failures to the lab manager by end of shift.
The tools that do the workLinuxjob descriptionsO*NET

Testify as expert witnesses in court

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Prepare my expert witness packet for Judge Morales’s hearing: package case file photos, chain-of-custody…
Prepare my expert witness packet for Judge Morales’s hearing: package case file photos, chain-of-custody forms, my latent comparison report, and a clear summary of methodology and limitations, deliver three hard copies and email the courtroom clerk by Tuesday morning.
The tools that do the workMicrosoft WordMicrosoft Outlookjob descriptionsO*NET

Reconstruct crime scenes

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Reconstruct the crime scene documentation: assemble scene photos, measured sketch, contamination control…
Reconstruct the crime scene documentation: assemble scene photos, measured sketch, contamination control notes, and a timeline of evidence collection; produce a scaled scene diagram and deliver the packet to Detective Alvarez and the case file by 0900 Monday.
The tools that do the workComputer aided design and drafting CADDMicrosoft Visiojob descriptionsO*NET

Examine and analyze blood stain patterns

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Examine the bloodstain evidence and produce an IPA report: photograph patterns with scales, measure stain…
Examine the bloodstain evidence and produce an IPA report: photograph patterns with scales, measure stain dimensions and angles, reconstruct likely trajectories, calculate points of origin, and file the annotated photos and report to Sergeant Diaz before the court disclosure deadline Thursday.
The tools that do the workMicrosoft VisioMicrosoft Exceljob descriptionsO*NET

Perform tests on weapons or substances

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Perform ballistic and substance tests on submitted items: document chain of custody, prepare and run gunshot…
Perform ballistic and substance tests on submitted items: document chain of custody, prepare and run gunshot residue and chemical screens, photograph weapon condition, record results in the case log, and hand the evidence and interim report to Forensic Chemist Patel by 1700 today.
The tools that do the workMicrosoft WordMicrosoft Exceljob descriptionsO*NET
The daily work13

Train new technicians in forensic techniques

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Run a half-day hands-on session for the two new technicians on live-case fingerprint lifting, powdering and…
Run a half-day hands-on session for the two new technicians on live-case fingerprint lifting, powdering and chemical development, covering safety gear, equipment calibration, and one supervised lift each that I will sign off by Friday afternoon.
The tools that do the workMicrosoft PowerPointMicrosoft Wordjob descriptionsO*NET

Review forensic reports for technical merit

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Review the three recent latent print reports from Rodriguez, Patel, and my draft for technical merit tonight,…
Review the three recent latent print reports from Rodriguez, Patel, and my draft for technical merit tonight, confirm methodology, photo quality, AFIS search parameters, and note any corrective language so I can return them to the analysts by 10:00 tomorrow.
The tools that do the workMicrosoft Wordjob descriptionsO*NET

Compare objects and impression marks

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Compare the impression marks from the recovered hammer and the crime-scene imprint using side-by-side ridge…
Compare the impression marks from the recovered hammer and the crime-scene imprint using side-by-side ridge detail and scale overlays, document matching minutiae points in the comparison sheet, and save photos and notes for the lead investigator before end of shift.
The tools that do the workAdobe PhotoshopMicrosoft Exceljob 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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Inspect the submitted pistol for mechanical condition and serial number restoration, photograph current…
Inspect the submitted pistol for mechanical condition and serial number restoration, photograph current condition, perform nondestructive restoration attempts, log all actions and legal status observations, and email a preliminary findings summary to Sgt. Morales by close of business.
The tools that do the workMicrosoft WordO*NET

Create photographic and sketch-based documentation

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Create final photographic and sketch documentation for Case 21-047: shoot scale-calibrated closeups of all…
Create final photographic and sketch documentation for Case 21-047: shoot scale-calibrated closeups of all lifted prints, draft scene sketches with orientation and measurements, label each image and sketch, then compile a print-ready packet for court by Tuesday morning.
The tools that do the workMicrosoft WordMicrosoft Visiojob descriptions

Operate digital media analysis tools

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Run the seized phone through the lab’s approved digital media workflow, extract available image and location…
Run the seized phone through the lab’s approved digital media workflow, extract available image and location files, log hashes and chain-of-custody, flag items matching the latent print exhibits, and prepare an evidence export for the detective by 16:00 tomorrow.
The tools that do the workLinuxjob descriptions

Wear appropriate protective gear

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Put on nitrile gloves, splash goggles, an isolation gown and shoe covers before handling evidence or…
Put on nitrile gloves, splash goggles, an isolation gown and shoe covers before handling evidence or reagents, check glove integrity and gown fastenings, log the time and your initials on the PPE checklist, then proceed to workbench.
The tools that do the workLinuxESCOsee the evidence ↗

Calibrate laboratory equipment

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Run the calibration routine on the ridge-detail imaging scope using the lab standard slide, record ambient…
Run the calibration routine on the ridge-detail imaging scope using the lab standard slide, record ambient temperature and humidity, enter measured offsets and serial number into the instrument log, and certify calibration with your signature.
The tools that do the workMicrosoft ExcelESCOsee the evidence ↗

Observe laboratory activities

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Observe the bench work in the latent prints lab for two hours this morning, note who processed which…
Observe the bench work in the latent prints lab for two hours this morning, note who processed which evidence, any deviations from SOP, PPE failures, instrument errors, and anyone who left samples unattended, then file a concise incident note for the shift lead before noon.
The tools that do the workMicrosoft WordMicrosoft OutlookESCO

Record test sequences

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Record the test sequence for the next humidity chamber run: list sample IDs, the calibration status of the…
Record the test sequence for the next humidity chamber run: list sample IDs, the calibration status of the chamber, start and end times, operator initials, and the reagent lots used, then save the sequence sheet to the case folder and notify the supervisor.
The tools that do the workMicrosoft ExcelESCO

Prepare samples for testing

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Prepare ten latent print samples for processing: don gloves and apron, dry and label each item with the case…
Prepare ten latent print samples for processing: don gloves and apron, dry and label each item with the case number and item number, apply powder and lift each print to a card, place cards in evidence sleeves, then update the evidence log and refrigerate if required.
The tools that do the workMicrosoft WordMicrosoft ExcelESCOsee the evidence ↗

Laboratory techniques

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Perform routine lab techniques on the next evidence batch: verify reagent expiry, run a control on the…
Perform routine lab techniques on the next evidence batch: verify reagent expiry, run a control on the visualization kit, follow the SOP steps for development timing, photograph each stage, and note any anomalies in the procedure log.
The tools that do the workMicrosoft WordMicrosoft PowerPointESCOsee the evidence ↗

Operate scientific measuring equipment

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Calibrate the comparison microscope and the measurement stage this morning: run the calibration slide, record…
Calibrate the comparison microscope and the measurement stage this morning: run the calibration slide, record pre- and post-calibration readings, adjust if out of tolerance, tag the instruments with the calibration sticker, and save the calibration record to the equipment file.
The tools that do the workMicrosoft ExcelESCOsee the evidence ↗

Says who?

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

O*NET 19-4092.00BLS pay surveyBLS OEWS 2025UK NOS SFJCN803UK NOS ESKISP6073.03LUK NOS SFJCN701ESCOwarnerpacific.eduwvu.eduonlineprograms.appstate.eduwhat people in this job say

The logs, files & records this job keeps

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

casecalibration

Related careers

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

Forensic ChemistForensic ScientistCrime Scene Investigator CsiForensic PathologistForensic ToxicologistForensic BiologistDna AnalystFingerprint ExaminerTrace Evidence AnalystBallistics Examiner
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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