Locard Exchange Principle Lab 2_24DE

Front

What is the Locard Exchange Principle?

Back

The Locard Exchange Principle states that 'Every criminal leaves something at the scene of the crime and takes something away.' This principle emphasizes the transfer of evidence between the perpetrator and the crime scene.

Front

What is the significance of using forceps in evidence collection?

Back

Forceps are used to handle small or delicate pieces of evidence without contaminating them, ensuring the integrity of the evidence is maintained.

Front

What is the purpose of a microscope in forensic analysis?

Back

A microscope allows forensic scientists to examine evidence at a microscopic level, revealing details that are not visible to the naked eye.

Front

What is a paper bindle?

Back

A paper bindle is a method of packaging evidence to prevent contamination and loss. It is typically made from paper and is used to securely hold small items.

Front

Why is it important to seal evidence in a plastic bag?

Back

Sealing evidence in a plastic bag protects it from environmental factors, contamination, and loss, ensuring it remains intact for analysis.

Front

What role does adhesive tape play in evidence collection?

Back

Adhesive tape is used to collect trace evidence, such as hair or fibers, by adhering to the surface and then being transferred to a microscope slide for examination.

Front

What should be done with evidence after it has been collected?

Back

After collection, evidence should be properly labeled, documented, and stored in a secure location to maintain its chain of custody.

Front

What is the importance of control samples in forensic investigations?

Back

Control samples are used to compare against evidence collected from a crime scene, helping to establish a baseline for analysis and interpretation.

Front

What is the first step in the evidence collection process?

Back

The first step is to secure the crime scene to prevent contamination and ensure that evidence is preserved.

Front

What is the purpose of labeling evidence?

Back

Labeling evidence provides crucial information about the item, including where and when it was collected, who collected it, and its significance to the investigation.