CRIMINAL INVESTIGATION FINAL
GUIDE 2026 FULL SOLUTIONS AND
VERIFIED RESPONSES
◉ What year was the London Metropolitan Police established?
Answer: 1829
◉ What is the significance of the Bow Street Runners?
Answer: They were one of the first organized police forces in England,
investigating burglaries and street crime.
◉ What does the Locard Exchange Principle state?
Answer: Every contact leaves a trace.
◉ What is the role of a patrol officer at a crime scene?
Answer: To secure the scene, evaluate the situation, and gather basic
information before calling a detective.
◉ What are the two modes of investigation?
Answer: Reactive investigation and proactive investigation.
◉ What is the purpose of field notes?
Answer: To provide a readily available record of the crime scene and
serve as the foundation for later reports.
, ◉ What should be included in field notes?
Answer: Witness statements, who, what, where, when, dates and times,
locations, victim descriptions, and evidence found.
◉ What is the chain of custody?
Answer: A record of all persons who have handled evidence from
collection onward and who are responsible for its protection and storage.
◉ What is the role of a medical examiner?
Answer: To perform autopsies and determine the cause of death.
◉ What are the characteristics of a good investigator?
Answer: Motivation, intuition, judgment, teamwork, reliability, street
knowledge, integrity, persistence, dedication, intelligence, and stability.
◉ What is the purpose of investigative reports?
Answer: To provide a permanent, complete record that serves as the
backbone of prosecution.
◉ What are the types of fingerprints?
Answer: Latent prints, plastic prints, and visible prints.
◉ What is a preliminary investigation step?
GUIDE 2026 FULL SOLUTIONS AND
VERIFIED RESPONSES
◉ What year was the London Metropolitan Police established?
Answer: 1829
◉ What is the significance of the Bow Street Runners?
Answer: They were one of the first organized police forces in England,
investigating burglaries and street crime.
◉ What does the Locard Exchange Principle state?
Answer: Every contact leaves a trace.
◉ What is the role of a patrol officer at a crime scene?
Answer: To secure the scene, evaluate the situation, and gather basic
information before calling a detective.
◉ What are the two modes of investigation?
Answer: Reactive investigation and proactive investigation.
◉ What is the purpose of field notes?
Answer: To provide a readily available record of the crime scene and
serve as the foundation for later reports.
, ◉ What should be included in field notes?
Answer: Witness statements, who, what, where, when, dates and times,
locations, victim descriptions, and evidence found.
◉ What is the chain of custody?
Answer: A record of all persons who have handled evidence from
collection onward and who are responsible for its protection and storage.
◉ What is the role of a medical examiner?
Answer: To perform autopsies and determine the cause of death.
◉ What are the characteristics of a good investigator?
Answer: Motivation, intuition, judgment, teamwork, reliability, street
knowledge, integrity, persistence, dedication, intelligence, and stability.
◉ What is the purpose of investigative reports?
Answer: To provide a permanent, complete record that serves as the
backbone of prosecution.
◉ What are the types of fingerprints?
Answer: Latent prints, plastic prints, and visible prints.
◉ What is a preliminary investigation step?
