Interview scorecard template

Forensic Scientist interview scorecard

Evaluate Forensic Scientist candidates across 4 weighted areas: method and rigour, real casework, interpretation and judgement, and reporting and testimony. Method and rigour leads at 35%, so test command of validated protocols, contamination control, and chain of custody, and whether they know where each technique stops being reliable. Use the rubric to compare role-specific evidence consistently.

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TL;DR
For method and rigour, look for evidence the candidate rigorous on protocol and chain of custody, and states the limits of each technique unprompted. For real casework, look for evidence the candidate specific cases with clear personal scope, including how they proceeded on a degraded or ambiguous sample. Apply the written 1–5 anchors to every answer, record the evidence behind each rating, and use the factor weights to reach a consistent overall assessment.
Complete evaluation framework

What to assess and how to score it

Review the evidence signals before interviewing. Then use the anchored descriptions—not instinct alone—to choose the score that best matches each answer.

01
Evaluation factor

Method and rigour

35% weight

Test command of validated protocols, contamination control, and chain of custody, and whether they know where each technique stops being reliable.

Evidence to listen for

  • Follows and can justify an established methodology
  • Understands contamination, bias, and chain of custody as they apply to the field
  • Knows the limits of their techniques and says so
  • Documents procedure so results are reproducible and defensible

Five-point scoring guide

1
Poor

Careless method; unaware of contamination, bias, or procedural integrity.

2
Needs Improvement

Knows procedures but applies them inconsistently; gaps in documentation.

3
Satisfactory

Sound standard practice; less certain outside familiar techniques.

4
Very Good

Rigorous and well documented; understands the limits of each method.

5
Excellent

Rigorous on protocol and chain of custody, and states the limits of each technique unprompted.

02
Evaluation factor

Real casework

25% weight

Look for real casework in their own hands rather than lab tours or coursework, including degraded or ambiguous samples.

Evidence to listen for

  • Brings specific cases, sites, or projects rather than general description
  • States their own role and what they personally handled
  • Can describe an ambiguous or degraded case and how they proceeded
  • Knows what happened to the work afterwards

Five-point scoring guide

1
Poor

No hands-on casework; experience is entirely academic.

2
Needs Improvement

Limited exposure; cannot describe their own contribution clearly.

3
Satisfactory

Real casework with adequate detail; ownership sometimes vague.

4
Very Good

Specific cases with clear personal scope and outcomes.

5
Excellent

Specific cases with clear personal scope, including how they proceeded on a degraded or ambiguous sample.

03
Evaluation factor

Interpretation and judgement

25% weight

Check whether they separate what the evidence supports from what they infer, and whether they can say a result is inconclusive.

Evidence to listen for

  • Separates what the evidence shows from what they infer
  • States confidence levels and what would change their conclusion
  • Comfortable saying the result is inconclusive
  • Handles pressure to reach a preferred conclusion without bending

Five-point scoring guide

1
Poor

Overstates findings; no separation of evidence from inference.

2
Needs Improvement

Reaches conclusions the evidence does not support; uneasy with uncertainty.

3
Satisfactory

Reasonable judgement; qualifies findings when prompted.

4
Very Good

Clearly separates evidence from inference and states confidence unprompted.

5
Excellent

Separates evidence from inference, states confidence unprompted, and reports inconclusive results as such.

04
Evaluation factor

Reporting and testimony

15% weight

Assess written reporting and whether they have held up under cross-examination or external review.

Evidence to listen for

  • Writes findings that a non-specialist can act on
  • Has presented or defended work to an external audience: court, client, review board, publication
  • Withstands challenge without overclaiming or retreating
  • Keeps records that hold up to scrutiny

Five-point scoring guide

1
Poor

Cannot communicate findings; records would not withstand review.

2
Needs Improvement

Reporting is unclear or incomplete; avoids external scrutiny.

3
Satisfactory

Adequate reports; limited experience defending work externally.

4
Very Good

Clear reporting and real experience presenting to an external audience.

5
Excellent

Clear reports plus real experience defending findings in court or before a review board.

Evidence-led prompts

Interview questions for a Forensic Scientist

Use these prompts to surface evidence for the weighted factors above and compare candidates against the same role-specific criteria.

  1. 01

    Walk me through the methodology you follow when processing a crime scene, from arrival to evidence release.

  2. 02

    What is your hands-on experience handling and preserving biological evidence?

  3. 03

    Describe your experience with forensic laboratory instrumentation and what you do when an instrument fails calibration.

  4. 04

    Which forensic discipline do you actually practise day to day, and how many cases have you signed out yourself?

  5. 05

    Tell me about a particularly challenging case you worked on, ideally one with a degraded or ambiguous sample, and how you resolved it.

See the complete Forensic Scientist question set
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