WorksheetsForensics Unit 3 - Crime Scene Investigation
Total questions: 40
Worksheet time: 2hrs 25mins
What does Locard's Exhchange Principle state?
every crime will be solved
all physical evidence provides information
every contact leaves trace evidence
crimes cannot be solved without phyiscal evidence
Reorder the following steps of Crime-Scene Investigation (5 of the 7 are listed below).
Secure the Scene
Separate the witnesses
Sketch the scene
Search for Evidence
Secure and collect evidence
Which crime scene search pattern is shown in the image?
line (AKA parallel or strip)
grid
zone (AKA quadrant)
spiral
Which crime scene search pattern is shown in the image?
line (AKA parallel or strip)
grid
zone (AKA quadrant)
spiral
Which crime scene search pattern is shown in the image?
line (AKA parallel or strip)
grid
zone (AKA quadrant)
spiral
the seal used to hold all evidence as secure
evidence that (if true) proves an alleged fact
The first person on the scene
Medical examiner
CSI investigator
First Responder
Where the crime took place
Secondary Crime Scene
Frist Responder
Primary Crime Scene
Another name for this person is the coroner
Specialist
Medical Examiner
Detectives
In order for an officer to figure out what actually happened, it is common practice to
speak with the witnesses in a group setting
speak with the witnesses individually
only speak with the witnesses who have pertinent information
only use physical evidence, but never witness testimony
True or False: Evidence markers should be placed before taking pictures
True
False
True or False: Sketching should be done before pictures of the scene are taken
True
False
Evidence can
provide proof that a crime has been committed
The reason it is important to separate the witnesses at the crime scene is to
prevent contamination of the evidence
prevent fighting among the witnesses
prevent the witnesses from colluding with each other
protect witnesses from the perpetrator
Correct collection of evidence requires which of the following?
documenting the location where the evidence was found
correct packaging of evidence
maintaining proper chain of custody
all of the above
A crime-scene sketch should include all of the following except
a scale of distance
date and location of the crime scene
a north heading on the diagram
the type of search pattern used to collect the evidence
During which step of crime scene investigation do investigators take photographs?
Step 1
Step 2
Step 3
Step 4
Which step involves using search patterns to look for evidence?
Step 1
Step 2
Step 6
Step 7
Which of the following individuals would be at the crime scene
police officers
coroner
detective
all of the above
After the witnesses have been separated, what questions need to be asked of them? Check all that apply.
Did you see a man running away from the scene?
Who is the victim?
What did you see happen?
Who called in the crime?
Where were you when you observed the crime?
Which of the following is not a crime-scene search pattern?
grid
triangulation
linear
spiral
quadrant
The purpose of a crime scene sketch is to give the courts a ___________ depiction of the crime scene.
rough
made up
accurate
lovely
Who can enter a crime scene?
Anyone as long as they sign the log sheet
only crime scene investigators and authorized personnel
Suspects
witnesses
Chain of custody must be maintained
so that the evidence does not have to be examined again.
or the evidence may not be admitted into court
only by the first officer on the scene
only by the forensic scientist who examines the evidence
all of these are true
How many pictures (minimum) should be taken of each piece of evidence?
9
25
What does Locard's Exhchange Principle state?
every crime will be solved
all physical evidence provides information
every contact leaves trace evidence
crimes cannot be solved without phyiscal evidence
This person looks for leads and interviews the whitness
Detective
Medical examiner
First responder
True or False: A rough sketch is almost never drawn to scale
True
False
What should be included in a rough sketch of a crime scene?
exact replica drawings of all evidence
Measured distances of all evidence
Only the evidence and not any surrounding items
The search pattern used to find evidence
Which individual would most likely be present during homicides to determine the initial cause of death?
a. CSI Unit
b. Lead Detectives
c. District Attorney
d. Medical Examiner
When collecting and packaging evidence from a crime scene, which materials might be used?
a. Notebooks and pencils
b. Vials, envelopes, and paper bags
c. Handcuffs and radios
d. Eyewitness testimonies
What does the term "collusion" refer to in the context of witnesses at a crime scene?
a. Giving a false alibi
b. Collaborating to fabricate a story
c. Working as an accomplice
d. Providing expert testimony
What is the primary purpose of a crime scene sketch?
a. To provide a visual record of the crime scene
b. To replace photographs of the crime scene
c. To serve as a piece of evidence in court
d. To guide the first responders at the scene
Discuss the role of forensic scientists in analyzing evidence collected from a crime scene.
They analyze and interpret social media posts to provide scientific support for criminal investigations.
They analyze and interpret weather patterns to provide scientific support for criminal investigations.
They analyze and interpret physical evidence such as DNA, fingerprints, and trace materials to provide scientific support for criminal investigations.
They analyze and interpret financial records to provide scientific support for criminal investigations.
