Crime Scene Investigation and Evidence Collection

Which of the following best describes Locard's Principle of Exchange?

• Contact between objects has no effect on their properties.
• Material transfer only occurs in one direction.
• Whenever two objects come into contact, there is a transfer of material between them.
• Objects do not interact with each other.

Which of the following might be an example of trace evidence?

• A weapon used in the crime.
• A fingerprint left on a glass surface.
• A witness statement about the event.
• Hair or fibers found at a crime scene.

Who was Dr. Edmund Locard?

• Dr. Edmund Locard was a famous painter.
• Dr. Edmund Locard was a French criminologist and the founder of forensic science.
• Dr. Edmund Locard was a politician in the 19th century.
• Dr. Edmund Locard was a renowned physicist.

Which of the following would constitute direct evidence?

• A police report summarizing events.
• A hearsay statement from a friend.
• A newspaper article discussing the incident.
• Eyewitness testimony or a video recording.

Which of the following would constitute circumstantial evidence?

• A witness testifying about the suspect's alibi.
• Finding a suspect's fingerprints at a crime scene.
• A video recording of the crime in progress.
• A confession made by the suspect to the police.

Which of the following would constitute biological circumstantial evidence?

• Witness testimony about the crime
• Surveillance footage of the area
• Fingerprint analysis from a suspect
• DNA evidence found at a crime scene

Which of the following would constitute circumstantial physical evidence?

• A police report summarizing the incident.
• A video recording of the crime scene from a distance.
• Fingerprints found at a crime scene.
• A witness testimony about the suspect's alibi.

Which choice best explains class evidence?

• Class evidence is material that can be linked to a group of items or people.
• Class evidence is always physical in nature.
• Class evidence can only be used in criminal cases.
• Class evidence is unique to a specific item.

Which of the following best represents class evidence from a crime scene?

• Blood type identified from a crime scene.

• Hair samples
• Blood spatter analysis
• Fingerprint patterns

Which of the following best identifies individual evidence taken from a crime scene?

• Car color identified in the getaway car at a crime scene

• Witness testimony
• Tire tracks

• Fingerprint