Unit 2 CSI and Evidence Collection

Open Ended

What challenges might investigators face when collecting evidence at a crime scene?

Multiple Choice

Why is it important for crime scene investigators to process the crime scene systematically?

• To avoid losing or contaminating evidence

• To speed up the investigation process

• To ensure the crime scene is cleaned quickly

• To make the scene look organized

Multiple Choice

Which of the following is NOT a guideline for evidence acceptability in crime scene investigation?

• Evidence must be sufficient and scientific

• Evidence must be consistent when retested

• Evidence must be valid

• Evidence must be collected by the police chief

Open Ended

How did the 2009 National Academy of Science Report influence the process of evidence collection and testing in crime scene investigations?

Multiple Select

Which of the following professionals are typically part of a crime scene investigation team?

• Police officers

• Medical examiners

• Firefighters

• Crime scene investigators

Fill in the Blanks

Dr. Edmond

was the first person to note physical transfer in forensic science.

Multiple Choice

According to Locard’s Principle of Exchange, what factors determine the extent of evidence transfer between two entities?

• Intensity, duration, and nature of contact

• The age of the entities

• The location of the crime scene

• The number of investigators present

Multiple Choice

Which of the following is an example of direct evidence?

• Firsthand observations

• Fingerprints

• Biological evidence

• Circumstantial evidence

Multiple Choice

Which of the following is an example of individual evidence?

• A group of persons

• A fingerprint

• A collection of objects

• A set of footprints

Open Ended

List and briefly describe the first four steps in the Seven S’s of Crime Scene Investigation.

Multiple Select

Which steps are included in the Seven S’s of Crime Scene Investigation as described in the slides?

• Securing the scene

• Sketching the scene

• Searching for evidence

• Interviewing suspects

Fill in the Blanks

When mapping an outdoor crime scene, the first step is to locate a

point.

Open Ended

Explain the difference between evidence analysis and crime scene reconstruction.

Multiple Choice

Which of the following is NOT a requirement for evidence to be accepted in legal proceedings?

• Evidence must be scientific, sufficient, reliable, and valid

• Guidelines for expert witness testimony are provided by DOJ and ASA

• Investigator experience alone is sufficient for evidence validity

• Evidence must be evaluated

Multiple Choice

Which of the following is NOT a commonly staged crime scene scenario?

• Arson to cover other crimes

• Murder staged to look like suicide

• Burglary to collect insurance money

• Robbery staged to look like an accident

Open Ended

What are some steps investigators take to determine if a crime scene has been staged?

Multiple Select

Which of the following are new technologies used in crime scene investigations?

• Ground penetrating radar

• Drones

• 3-D stationery camera systems

• Fingerprint powder

Fill in the Blanks

Locard’s Principle of

states that contact during a crime can result in a transfer of material.

Open Ended

Describe the main responsibilities of first responding officers at a crime scene.

Multiple Select

Which of the following are important for ensuring evidence is reliable and valid in forensic investigations?

• Properly handling, collecting, and labeling evidence

• Analyzing evidence in a forensic laboratory

• Establishing new guidelines for expert witnesses

• Ignoring chain of custody procedures

Open Ended

Reflecting on what you have learned, how do you think the process of collecting and analyzing evidence can impact the outcome of a criminal investigation?

Multiple Choice

Why is it important for CSIs to systematically process a crime scene?

• To avoid losing or contaminating evidence

• To speed up the investigation process

• To impress the jury

• To reduce paperwork