MPOETC Criminal Investigation Fundamentals Questions and Answers

Question 1

What is the primary purpose of maintaining a strict chain of custody for physical evidence collected at a crime scene?

Accepted Answer

To document every person who handled the evidence, ensuring its integrity and admissibility in court.

Answer

To determine the monetary value of the collected items for insurance purposes.

Answer

To create a timeline of the crime for the initial police report.

Answer

To ensure the evidence is properly cataloged for storage in the property room.

Question 2

An officer is speaking with a witness who saw a vehicle flee the scene of a theft. The officer is asking non-accusatory, open-ended questions to gather information. Which term best describes this interaction?

Accepted Answer

Interview

Answer

Deposition

Answer

Interrogation

Answer

Arraignment

Question 3

Which of the following best defines the legal principle of *corpus delicti* in a criminal investigation?

Accepted Answer

The principle that a defendant's confession, by itself, is not sufficient for a conviction without proof that a crime actually occurred.

Answer

The physical body of the victim in a homicide case.

Answer

The standard of proof required for a lawful arrest, also known as probable cause.

Answer

The legal requirement to read a suspect their Miranda rights before custodial interrogation.

Question 4

An officer observes an individual late at night in a high-crime area, peering into multiple parked cars and trying door handles. The officer has not seen a crime committed but stops the individual to ask what they are doing. What is the minimum legal standard required for this temporary stop, known as an investigative detention?

Accepted Answer

Reasonable suspicion

Answer

Probable cause

Answer

Proof beyond a reasonable doubt

Answer

A mere hunch

Question 5

In the Pennsylvania criminal justice process, what is the primary purpose of a preliminary hearing?

Accepted Answer

To determine if the Commonwealth has sufficient evidence to establish a *prima facie* case against the defendant.

Answer

To allow the defendant to enter a formal plea to the charges.

Answer

To determine the defendant's guilt or innocence in front of a jury.

Answer

To sentence the defendant following a conviction.

Question 6

At the scene of a burglary, an investigator collects a pry bar, takes photographs of a footprint, and obtains a written statement from a neighbor who saw the suspect. Which of these items is considered testimonial evidence?

Accepted Answer

The written statement from the neighbor

Answer

The pry bar

Answer

The photographs of the footprint

Answer

The broken door jamb