Skip to content

Staff elimination database

Definition

A database of DNA profiles from all laboratory personnel who have access to evidence or consumables. Any profile matching a contributor profile is checked against this database first. A match identifies contamination by a known individual rather than an unknown contributor.

Related terms

Chain of custody
The documented chronological record of who collected, handled, transferred, and examined a piece of evidence. For digital evidence, chain of custody includes...
ISO/IEC 17025
The international standard for testing and calibration laboratories, published jointly by the International Organization for Standardization and the International Electrotechnical Commission. It...
Proficiency testing
An external quality assurance programme in which a laboratory analyses blind samples distributed by an independent provider and submits results for comparison...
Quality management system (QMS)
The documented set of policies, procedures, processes, and records that a laboratory uses to control the quality of its outputs. A QMS...
Validation
The process of establishing through systematic testing that a method does what it claims to do, within defined conditions and with a...

Explained in

Your journey to becoming a forensic professional starts here.

Practice with mock tests, learn from structured notes, and get your questions answered by a global forensic community, all in one place.