Wet Evidence Drying
Definition
The mandatory air-drying step for any wet biological sample before sealing. Sealing wet evidence traps moisture, promotes bacterial growth, and degrades DNA. Most protocols require a minimum 30-60 minutes air-dry before the envelope is sealed.
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...
- Double-Swab Technique
- A collection method for dried biological stains in which a moistened swab rehydrates and lifts the stain from the surface, followed immediately...
- Kit Shelf Life
- The period during which an unused sealed SAFE kit remains usable, typically 2-5 years depending on the manufacturer and storage conditions. Expired...
- Reference Sample
- A biological sample collected from a known individual (victim, suspect, or elimination source) for comparison against scene stains. Typically a buccal swab...
- SAFE Kit
- Sexual Assault Forensic Evidence kit. The standardised collection of containers and instructions used to gather biological and trace evidence from a sexual...
Explained in
- The SAFE Kit: Components and Collection SequenceThe mandatory air-drying step for any wet biological sample before sealing. Sealing wet evidence traps moisture, promotes bacterial growth, and degrades DNA. M...