State Trooper Investigation Procedures 3

Question 1

What is the proper procedure for collecting DNA evidence at a crime scene?

Accepted Answer

Wear fresh gloves for each item, use sterile swabs, allow samples to air dry, and package in paper containers

Answer

DNA evidence requires careful handling to prevent contamination and degradation.

Question 2

What is a 'search warrant return' and when must it be completed?

Accepted Answer

A document filed with the issuing court detailing items seized, typically required within a specific timeframe

Answer

The search warrant return reports back to the court on what was found during the authorized search.

Question 3

What is evidence contamination and how does it affect a case?

Accepted Answer

Unauthorized handling or improper storage that raises questions about integrity, potentially making evidence inadmissible

Answer

Contamination can render key evidence inadmissible, potentially destroying the prosecution's case.

Question 4

What is the role of a case file in organizing an investigation?

Accepted Answer

The comprehensive repository of all documents, evidence records, reports, and notes related to the investigation

Answer

The case file is the complete record of an investigation, essential for prosecution and review.

Question 5

What is the 'totality of the circumstances' test in criminal investigations?

Accepted Answer

A holistic evaluation of all facts and circumstances to determine whether a legal standard has been met

Answer

Courts evaluate legal standards by examining all facts together, not in isolation.

State Trooper Practice Test