# CTE Resource Center - Verso - Forensic Technology Task 1666466258

CTE Resource Center - Verso

Virginia’s CTE Resource Center

Describe sources of contamination for trace evidence and the ways to minimize that contamination.

Definition

Description should include the
  • type of source (e.g., other pieces of evidence, interaction with subjects not connected to the case, the technician himself/herself)
  • steps taken to minimize contamination (e.g., use of proper safety measures, gloves, lab coat, clean work area, hygiene practices, proper disposal of waste).

Process/Skill Questions

  • What types of procedures help prevent contamination of evidence?
  • What would happen if contaminated evidence were introduced in a court case?
  • Why is it important to follow chain-of-custody protocols?
  • Why should access to trace evidence be limited?
  • Who does laboratory safety protect?
  • How does PPE help minimize contamination?