Evidence & Evidence Collection

Consists of eyewitness accounts, victim statements and expert testimony

• Testimonial Evidence

• Documentary Evidence

• Physical Evidence

Consists of any object or material relevant in a crime, such as hair, blood, weapons and impressions

• Testimonial Evidence

• Documentary Evidence

• Physical Evidence

Consists of documents, audio, video or other digital information like text messages or social media posts

• Testimonial Evidence

• Documentary Evidence

• Physical Evidence

Why is it important to package evidence correctly?

• Prevent theft

• So evidence is not overlooked

• Prevent evidence contamination

• Predict what a substance is

The 5 crime scene search methods are spiral, strip, zone, wheel, grid.

• True

• False

Crime scene investigators do not need to wear personal protective gear at a crime scene.

• True

• False

Being exposed to a blood borne pathogen such as hepatitis B, hepatitis C, HIV is a concern for crime scene investigators.

• True

• False

Personal protective equipment must be disposed of in hazardous materials or cleaned and decontaminated.

• True

• False

Which of the following is NOT a piece of personal protective equipment which must be used on a crime scene?

• coveralls

• masks

• booties

• mouth guard

How do crime scene investigators help avoid spreading trace amounts of DNA to the crime scene?

• By wearing a single pair of gloves

• By using new gloves after handling each item

• By changing gloves every 15 minutes

• By collecting investigator’s DNA for exclusionary purposes