Criminal Investigation Tools: Interview and Instrumentation

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Questions and Answers

Which phase of a criminal investigation involves skillful questioning of witnesses and suspects?

  • Phase I
  • Phase II
  • Phase III
  • None of the above (correct)

What is one of the tools used by investigators in criminal investigations?

  • Interrogation under duress
  • Public trial
  • Social media analysis
  • Forensic evidence collection (correct)

What is NOT a method to identify a suspect in Phase I of a criminal investigation?

  • Eyewitness testimony
  • Confession
  • Fingerprint analysis (correct)
  • Circumstantial evidence

In Phase III of a criminal investigation, what is the primary aim when gathering evidence?

<p>To establish the guilt of the accused (A)</p> Signup and view all the answers

Which type of data is NOT typically gathered by investigators?

<p>Sensory evidence (C)</p> Signup and view all the answers

What is an important aspect of the Instrumentation tool used in criminal investigations?

<p>Application of physical sciences (B)</p> Signup and view all the answers

What is NOT listed as part of the Equipment of the Investigator according to the text?

<p>Evidence checklist (A)</p> Signup and view all the answers

What is one of the duties of the First Responder according to the text?

<p>Document and notify pertinent data in a pocket notebook (B)</p> Signup and view all the answers

What is the main purpose of cordoning off the crime scene according to the text?

<p>To secure the area and preserve its integrity (D)</p> Signup and view all the answers

Which document is mentioned in Protocol 4: Duties of the First Responder according to the text?

<p>Turn-over receipt (A)</p> Signup and view all the answers

What is one of the tasks related to witnesses assigned to the First Responder according to the text?

<p>Ensure their availability for the incoming investigator-on-case (C)</p> Signup and view all the answers

In what section of CRIMINAL INVESTIGATION COURSE (CIC) do we find information about Organization and Equipment of the Investigation Team?

<p>Section k: Contains of Investigator’s tickler (A)</p> Signup and view all the answers

What intellectual characteristics must an effective investigator possess?

<p>Knowledge of the elements of crime, ability to apply investigative techniques, and teamwork skills (D)</p> Signup and view all the answers

Which of the following is NOT listed as a psychological characteristic of an effective investigator?

<p>Impulsive (D)</p> Signup and view all the answers

What is the primary responsibility of an investigator pertaining to a crime scene?

<p>Securing the crime scene (B)</p> Signup and view all the answers

Which of the following is a physical characteristic of an effective investigator?

<p>Good vision and hearing (A)</p> Signup and view all the answers

What should an investigator do when there is an injured person at the scene?

<p>Arrange for medical attention, identification, and removal of the injured person (D)</p> Signup and view all the answers

What is the main purpose of securing a crime scene?

<p>To maintain the integrity of evidence (C)</p> Signup and view all the answers

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Study Notes

Characteristics of an Effective Investigator

  • An effective investigator must possess intellectual characteristics, including knowledge of the elements of crime and the ability to apply investigative techniques and work with people.
  • Psychological characteristics of an effective investigator include being emotionally well-balanced, detached, inquisitive, suspecting, discerning, self-disciplined, and persevering.
  • Physical characteristics of an effective investigator include being physically fit, having good vision, and good hearing.

Functions of the Investigator

  • Provide emergency assistance, including arranging for medical attention, identification, and removal of injured persons.
  • Secure the crime scene, ensuring its protection by using other police officers or responsible persons to keep witnesses, suspects, and victims from disturbing the scene.

Tools of an Investigator

  • Interviewing involves skillful questioning of witnesses and suspects.
  • Instrumentation involves the scientific examination of real evidence and the application of instruments and methods of the physical sciences in detecting crime.

Phases of Investigation

  • Phase I: Identify the suspect/s through confession, eyewitness testimony, circumstantial evidence, and associate evidence.
  • Phase II: Locate and apprehend suspect/s through surveillance, undercover assignments, and informants.
  • Phase III: Gather and provide evidence to establish the guilt of the accused, including establishing the fact of the existence of the crime.

Equipment of the Investigator

  • An investigator's tickler contains important documents, including an investigator's checklist, anatomical diagram form, evidence checklist, and turn-over receipt.

Protocols in Investigation

  • Protocol 3: Investigation Team - Organization and Equipment
  • Protocol 4: Duties of the First Responder
    • Proceed to the crime scene to validate the information received.
    • Record the exact time of arrival and all pertinent data regarding the incident in the issued pocket notebook.
    • Cordon off the crime scene area with police lines or other materials to preserve its integrity.
    • Check whether the situation still poses imminent danger and call for backup if necessary.
    • Identify possible witnesses and conduct a preliminary interview to ensure their availability for the incoming investigator-on-case.

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