Untitled Flashcard Set

What is a crime scene?

Any location where a crime has occurred and evidence may be found.

Primary Scene

The original location of the crime.

Secondary Scene

Any additional location related to the crime, such as where evidence is moved.

Locard’s Exchange Principle

The principle that states 'Every contact leaves a trace,' developed by Dr. Edmond Locard.

First Responder Duties

Secure the scene, provide emergency aid, document personnel entry, conduct an initial assessment, and notify the investigative team.

Seven S's of Crime Scene Investigation

Secure the scene, separate the witnesses, scan the scene, see the scene, sketch the scene, search for evidence, and secure the collected evidence.

What is the purpose of securing the scene?

To establish boundaries to prevent evidence contamination or tampering.

What should be documented after providing emergency medical aid?

Any movement or changes made to aid victims.

Chain of Custody

A continuous documented record of who collected, handled, and stored evidence to ensure its integrity.

Types of Evidence

Categorized as physical, biological, trace, digital, and documentary evidence.

Difference between Direct Evidence and Circumstantial Evidence

Direct evidence is firsthand observations, while circumstantial evidence suggests a fact without direct proof.

What is a paper bindle?

A method to securely hold trace evidence like hair and fibers during collection.

What is forensic photography used for?

To document and preserve the original crime scene.

What does a rough sketch provide?

A visual representation of the scene done on-site, including measurements and relationships between pieces of evidence.