Builds on: Advanced Electronic Evidence (Part 2): IoT, Anti-Forensics, Ethics and Reporting
Validation, Error and Quality in Forensic Work
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"The tool found it" is not an answer. A court may ask: how do you know the tool was right? Who checked the work? What could have gone wrong? This unit gives the vocabulary for those questions and for honest answers to them.
Focus: test the tool, know the kinds of error, get the work checked, and keep bias out. This unit is general knowledge. It is not legal advice, and it does not prepare a laboratory for accreditation.
Learning objectives
- Explain what validation is, and what a tool test can and cannot show.
- Tell systematic errors from random errors, and name three kinds of tool error.
- Describe checking by a second examiner, and peer review.
- Say what laboratory accreditation shows, and what it does not.
- Spot the common routes by which bias enters an examination.
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