Forensic Science Technician how-to
How to Maintain Chain of Custody for Lab Evidence
Broken chains can lose cases.
Quick answer
Broken chains can lose cases. In short: package; seal; label, then complete the remaining steps below.
Step by step
Package evidence properly.
Seal and initial.
Label with case details.
Record each transfer.
Store securely.
Keep records complete.
Safety reminders for forensic science technicians
- Wear PPE against biohazards
- Prevent contamination
- Follow chemical safety
- Seek support after traumatic scenes
Key terms
Chain of custody · Latent print · Trace evidence · DNA profile · Toxicology · GC-MS: see the full forensic science technician glossary.