CSI Evidence Collection and Preservation

Question 1

What is the first step in securing a crime scene?

Accepted Answer

Restrict unauthorized access

Answer

Start collecting evidence immediately

Answer

Take photographs of the scene

Answer

Call forensic experts to the scene

Question 2

Which type of evidence is considered the most fragile and should be collected first?

Accepted Answer

Biological evidence (blood, hair, fibers)

Answer

Firearms and weapons

Answer

Digital evidence from computers

Answer

Vehicle tire impressions

Question 3

Why is it important to document the chain of custody for evidence?

Accepted Answer

To prevent evidence tampering and maintain credibility

Answer

To avoid duplicate evidence collection

Answer

To speed up forensic analysis

Answer

To limit the number of people accessing the crime scene

Question 4

What is the recommended method for collecting fingerprint evidence?

Accepted Answer

Using fingerprint powder and lifting tape

Answer

Swabbing with a cotton pad

Answer

Placing fingerprints in a plastic bag

Answer

Photographing fingerprints only

Question 5

Which type of evidence should be stored in a breathable container to prevent degradation?

Accepted Answer

Biological evidence (bloodstained clothing)

Answer

Metal weapons

Answer

Cell phones and digital evidence

Answer

Drug samples

Question 6

Why is it important to take photographs of the crime scene before collecting evidence?

Accepted Answer

To document evidence location and crime scene condition

Answer

To speed up evidence collection

Answer

To identify suspects immediately

Answer

To avoid contamination of evidence