CFC Evidence Collection & Case Analysis

Question 1

Why is proper chain of custody important in evidence collection?

Accepted Answer

To ensure evidence is not tampered with

Answer

Proper chain of custody is crucial because it documents the chronological sequence of possession, transfer, analysis, and disposition of evidence. This unbroken record proves that the evidence presented in court is the same evidence collected at the scene and has not been altered, substituted, or contaminated. Maintaining chain of custody upholds the integrity and admissibility of the evidence in legal proceedings.

Question 2

What is the first step in crime scene investigation?

Accepted Answer

Secure the scene to prevent contamination

Answer

The very first step in crime scene investigation is to secure the scene. This involves establishing a perimeter and controlling access to prevent unauthorized individuals from entering, which could disturb or contaminate potential evidence. Securing the scene ensures the integrity of the evidence and allows investigators to collect it systematically and accurately.

Question 3

Which tool is commonly used to document evidence at a crime scene?

Accepted Answer

Camera for photography

Answer

A camera is an indispensable tool at a crime scene for documenting evidence. Photography provides a permanent visual record of the scene's condition, the location of evidence, and the relationships between different items before anything is moved or collected. This visual documentation is critical for later analysis, reconstruction, and presentation in court.

Question 4

What is cross-contamination in forensic science?

Accepted Answer

Transfer of material between samples

Answer

Cross-contamination in forensic science refers to the unintended transfer of biological or physical material from one piece of evidence to another, or from an investigator to evidence. This can occur through improper handling, shared tools, or inadequate packaging, potentially compromising the integrity and evidentiary value of samples. Preventing cross-contamination is vital to ensure accurate and reliable forensic results.

Question 5

Which type of evidence is based on physical characteristics?

Accepted Answer

Physical evidence

Answer

Physical evidence encompasses any tangible items that can be collected, examined, and presented in court to prove or disprove facts related to a crime. This type of evidence relies on its inherent physical characteristics, such as fingerprints, weapons, documents, or biological fluids, to link a suspect to a crime or reconstruct events. It provides objective data that can be scientifically analyzed.

(CFC) Certified Forensic Consultant Practice Test

(CFC) Certified Forensic Consultant Practice Test

CFC Evidence Collection & Case Analysis