Evidence Collection and Documentation Flashcards

What is the purpose of taking photographs at a crime scene before collecting evidence?

Answer: To create a permanent visual record of the scene in its undisturbed state

Photographs document the scene as it was found, providing a permanent record that supports investigative and court proceedings.

Which type of evidence would be considered 'testimonial evidence'?

Answer: A witness's sworn statement about what they observed

Testimonial evidence consists of oral or written statements made under oath by witnesses, victims, or suspects.

When writing an arrest report, which element is most critical to include?

Answer: Specific, factual observations that establish probable cause

Arrest reports must contain specific, objective facts that legally justify the arrest and establish probable cause.

What does 'latent evidence' refer to in a crime scene investigation?

Answer: Evidence that is not immediately visible without special techniques or tools

Latent evidence, such as fingerprints or trace fibers, is not readily visible and requires chemical, physical, or electronic techniques to detect.

How should an officer handle biological evidence such as blood at a crime scene?

Answer: Use appropriate personal protective equipment and place in approved containers

Biological evidence must be handled with PPE to protect both the officer's health and the integrity of the sample.

What is a 'crime scene log' used for?

Answer: Recording the names of all personnel who enter the crime scene

A crime scene log records every person who enters or exits the secured area, supporting chain of custody and scene integrity.