Unit 1.28 Review

Multiple Choice

Why is forensic science important in solving crimes?

• Forensic science is important in solving crimes because it provides objective evidence that helps establish facts, identify suspects, and exonerate the innocent.
• Forensic science is only useful for civil cases.
• Forensic science is primarily focused on psychological profiling.
• Forensic science is not relevant to modern crime-solving techniques.

Multiple Choice

Which of the following is a common method used in forensic science to identify individuals?

• Fingerprint analysis

• Astrology

• Weather prediction

• Dream interpretation

Multiple Choice

Which of the following is NOT a primary role of a forensic scientist as described in the slide?

• Analyzing physical evidence

• Conducting DNA testing

• Providing legal support

• Making arrests

Multiple Choice

Explain how Locard’s Exchange Principle is applied in hit-and-run investigations.

• Locard's Exchange Principle is irrelevant in hit-and-run cases.
• It focuses solely on eyewitness accounts.
• Locard's Exchange Principle is applied by examining the crime scene for transferred evidence such as paint chips, glass fragments, and biological material from the vehicle or driver.
• The principle only applies to theft investigations.

Multiple Choice

Legal precedents guide law enforcement in search and seizure procedures to ensure ___ investigations.

• lawful

• unlawful
• hasty
• biased

Multiple Select

Which of the following are purposes of crime scene sketches?

• Documenting spatial relationships

• Depicting vertical elements

• Clarifying evidence positioning

• Recording witness statements

Multiple Choice

Why is clear communication important for forensic scientists when presenting evidence in court?

• Clear communication is only necessary for legal professionals, not forensic scientists.
• Forensic scientists should focus on technical jargon to impress the jury.
• Clear communication is irrelevant as evidence speaks for itself.
• Clear communication ensures that forensic evidence is accurately understood and effectively contributes to the judicial process.

Multiple Choice

What was Calvin Goddard’s major contribution to forensic science?

• Inventing the comparison microscope

• Developing DNA fingerprinting

• Creating the polygraph

• Establishing fingerprint analysis

Multiple Choice

Which of the following best describes the main requirement for scientific evidence to be admissible under the Frye Standard?

• It must be widely accepted by the relevant scientific community.

• It must be published in a scientific journal.

• It must be approved by a judge.

• It must be based on eyewitness testimony.

Multiple Choice

After providing urgent medical assistance, what is the next duty of a first responder at a crime scene?

• Secure the scene to protect evidence.

• Call for backup.

• Interview witnesses.

• Collect physical evidence.

Multiple Select

Which actions are important for maintaining the integrity of a crime scene? Select all that apply

• Establishing a perimeter

• Recording entries and exits

• Allowing unrestricted access

• Securing the area

Multiple Choice

Explain how the duties of a first responder and the process of securing the crime scene work together to protect evidence integrity.

• First responders should avoid any interaction with the crime scene to maintain evidence integrity.
• First responders can alter evidence to make it easier to analyze later.
• Securing the crime scene is only necessary if there are witnesses present.
• The duties of first responders and the process of securing the crime scene work together to protect evidence integrity by preventing contamination and ensuring proper documentation.

Multiple Choice

Accuracy measures how close a value is to the ___ or accepted standard in scientific measurements.

• average value
• true value
• estimated value
• calculated value

Multiple Choice

Describe two ways 3D crime scene reconstruction can assist in forensic investigations.

• 1. Enhancing physical evidence collection methods.

  2. Providing psychological profiles of suspects.

• 1. Providing psychological profiles of suspects. 2. Reducing the time needed for crime scene investigations.

• 1. Visual representation of spatial relationships and evidence sequence. 2. Clear presentation of evidence in court for juries.

Multiple Choice

What is the primary role of a forensic scientist in a robbery case?

• Interview witnesses

• Identify suspects

• Analyze physical evidence

• Patrol the crime scene

Multiple Choice

Why is analyzing physical evidence is more important than interviewing witnesses for a forensic scientist.

• Witnesses often provide more accurate details than physical evidence.
• Physical evidence can be easily manipulated by witnesses.
• Interviewing witnesses is always the first step in forensic investigations.
• Analyzing physical evidence is more important than interviewing witnesses because it provides objective, verifiable data that is less prone to bias.

Multiple Choice

What does Locard’s Exchange Principle state?

• Evidence must be photographed

• Every contact leaves a trace

• Only visible evidence matters

• Witnesses must be interviewed

Multiple Choice

Which of the following are established by the Michigan v. Tyler case?

• Evidence can be collected anytime

• A warrant is needed to re-enter a cleared crime scene

• Police can search without permission

• Witnesses must be present during searches

Multiple Choice

A search warrant is typically required for a(n) ___ after a scene is cleared.

• search of a property
• interview of a witness

• visual scan of the area

• neighborhood canvas

Multiple Choice

What does Michigan v. Tyler establish?

• The case establishes the legality of all warrantless searches.
• The case defines the rights of police officers during routine traffic stops.
• The case addresses the admissibility of evidence obtained without a warrant.
• The case establishes the limits of warrantless searches in emergency situations.

Multiple Choice

What does an elevation sketch show?

• Horizontal layout

• Weather conditions

• Vertical elements like stairs

• Suspect movements

Multiple Choice

What is a detective’s main responsibility?

• Collect physical evidence

• Analyze DNA

• Interview witnesses and develop the case

• Photograph the scene

Multiple Choice

How do the roles of detectives and medical examiners differ in a crime scene investigation?

• Detectives investigate the crime and gather evidence, while medical examiners determine the cause of death and conduct autopsies.
• Detectives perform autopsies while medical examiners gather evidence.
• Medical examiners investigate the crime scene and collect evidence.
• Detectives determine the cause of death and conduct autopsies.

Multiple Choice

What does a medical examiner determine?

• Suspect identity

• Time and cause of death

• Crime scene layout

• Witness credibility

Multiple Choice

Forensic science often uses fingerprints as evidence. What is the main reason fingerprints are useful in investigations?

• They are unique to each individual

• They are easy to collect

• They are always visible at crime scenes

• They can be seen without special equipment