What is the chain of custody?

A documented history of evidence handling

How is total magnification of a microscope calculated?

Objective lens × eyepiece lens

What is direct evidence?

Testimony from a witness who saw the crime

What is the purpose of a rough crime scene sketch?

To document the layout, evidence, and measurements

What information is typically included in an evidence log?

Description of the evidence, date, time, and handler’s name

Which of the following is considered circumstantial evidence?

A suspect's fingerprint found at the scene

Why is maintaining the chain of custody crucial?

To ensure the evidence is admissible in court

What is trace evidence?

Small, measurable evidence like fibers or gunshot residue

What is forensic science?

Application of science to criminal and civil laws

What is the "CSI Effect"?

Unrealistic public expectations of forensic evidence

What method is best for collecting bloodstained materials?

Air-dry and package in a paper bag

What is the purpose of separating witnesses during a crime scene investigation?

To prevent them from influencing each other’s accounts

What does modus operandi refer to?

The criminal's method of operation

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Unit 1 & 2 Forensic Review

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Questions 30

Answers

1
Which of the following is NOT part of the Seven S's of Crime Scene Investigation?
Scan the scene
Sort the suspects
Sketch the scene
Secure the evidence
2
What is the chain of custody?
The process of collecting evidence from a scene
A documented history of evidence handling
A record of suspects interviewed
A timeline of the crime
3
How is total magnification of a microscope calculated?
Ocular lens ÷ focal length
Slide size × light intensity
Lens size × slide thickness
Objective lens × eyepiece lens
4
Who introduced the first system of personal identification based on body measurements?
Hans Gross
Karl Landsteiner
Alphonse Bertillon
Mathieu Orfila
5
What is the 2nd S in the Seven S's of Crime Scene Investigation?
Secure the scene
Search for evidence
Separate the witnesses
Sketch the scene
6
What type of search method is ideal for large, open areas like fields?
Grid
Spiral
Line
Zone
7
What did Karl Landsteiner discover
Glass fracture patterns
Trace evidence analysis
Blood types
DNA fingerprinting
8
What type of evidence is hair with a follicle?
Class evidence
Trace evidence
Individual evidence
Indirect evidence
9
What is direct evidence?
Trace evidence like hair or fibers
Testimony from a witness who saw the crime
Physical evidence like a weapon
Circumstantial evidence
10
What is the purpose of a rough crime scene sketch?
To create a blueprint of the building
To prepare for witness interviews
To document the layout, evidence, and measurements
To establish the timeline of the crime
11
Which unit in a forensic lab specializes in examining drugs?
Biology Unit
Physical Science Unit
Firearms Unit
Toxicology Unit
12
What information is typically included in an evidence log?
Details of the witnesses present
Weather conditions at the scene
Description of the evidence, date, time, and handler’s name
Suspect’s details and location of arrest
13
Which of the following is considered circumstantial evidence?
Eyewitness testimony
A suspect's fingerprint found at the scene
Video footage of the crime
A signed confession
14
Which of the following is an example of individual evidence?
Fingerprint
Blood type
Paint chip
Hair without the root
15
Why is maintaining the chain of custody crucial?
To provide a timeline of events during the crime
To ensure the evidence is admissible in court
To determine the suspect's motive
To increase the chance of finding more evidence
16
Which of the following is an example of biological evidence?
Shoe prints
Bullet casings
Glass fragments
DNA from blood
17
Which of following is a class characteristic?
DNA profiling
Bite mark pattern
Fingerprint ridge detail
Shoe size
18
What is trace evidence?
Evidence that connects directly to the suspect
Evidence found at the point of entry
Small, measurable evidence like fibers or gunshot residue
Evidence found outdoors
19
Which type of crime scene search pattern is most effective in a location that has multiple rooms like a house?
Line
Zone
Grid
Spiral
20
Which forensic lab unit is responsible for analyzing firearms and tool marks?
Toxicology Unit
Document Examination Unit
Biology Unit
Firearms Unit
21
What was Sir Alec Jeffreys’ major contribution to forensic science?
Fingerprinting techniques
Crime scene sketching
Development of blood typing
DNA profiling
22
What is forensic science?
Application of science to criminal and civil laws
Study of ancient cultures
The study of insects
Analysis of astronomical phenomena
23
What is a known standard in forensic science?
A rule about evidence packaging
Evidence from the crime scene
Standard operating procedures for labs
A sample with verified source
24
Which is the first step in the "Seven S's of Crime Scene Investigation"?
Scan the scene
Sketch the scene
Secure the scene
Separate the witnesses
25
What is Locard's Exchange Principle?
Only physical evidence is admissible in court
Blood spatter patterns determine direction
Every crime scene has fingerprints
Every contact leaves a trace
26
What is the "CSI Effect"?
Increased use of DNA in investigations
Unrealistic public expectations of forensic evidence
Expansion of forensic lab units
Rise in criminal cases involving TV stars
27
What method is best for collecting bloodstained materials?
Air-dry and package in a paper bag
Soak in water and place in a plastic bag
Air-tight container like a paint can
Place in a sealed plastic container
28
What is the purpose of separating witnesses during a crime scene investigation?
To ensure the chain of custody is maintained
To prevent them from influencing each other’s accounts
To allow better photography of the scene
To reduce contamination of evidence
29
What does modus operandi refer to?
The time of the crime
The evidence found at the scene
The victim's profile
The criminal's method of operation
30
What is criminalistics?
Study of court proceedings
Analysis of physical evidence
Study of criminal behavior
Application of physics to law

Unit 1 & 2 Forensic Review Flashcards | StudBud