(CFI) Certified Forensic Interviewer Practice Test
CFI CFI Investigative Methodology & Crime Scene Analysis
Locard's Exchange Principle in forensic investigations states that:
Select your answer
A
All evidence must be collected within 24 hours of discovery
B
Every contact between a perpetrator and a scene results in a trace exchange
C
Witnesses must always be interviewed before evidence collection begins
D
Digital evidence takes precedence over all physical evidence
Hint