The ________ states that whenever the perpetrator of a crime comes into contact with the scene, he or she will both bring something into the scene and leave with something from the scene. In other words, this principle asserts that every contact leaves minimally, a trace of evidence.
A) Best evidence rule
B) Prima facie evidence rule
C) Exigent circumstance principle
D) Locard's principle
Question 2
In the evidence-collection process, contamination of evidence occurs most commonly when evidence is not properly secured, is wrongfully mixed with other types of evidence, or is altered significantly from its original condition at the crime scene. What are the legal consequences if evidence is not handled properly?
A) When this occurs, the evidence is usually rendered inadmissible or incompetent by the court.
B) The evidence is usually admissible, but the officer may be impeached by defense counsel in the handling of the evidence.
C) The evidence may be admissible if officer can show that in good faith the errors were based on poor training or poor information at the time of collection.
D) The evidence is not admissible, but officers and prosecution may still use the information to convict the suspect.
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