What is the primary role of Security Forces in evidence preservation?

• A. Collect and package evidence for lab analysis.
• B. Document everything; crime scene notes, rough sketch; do not collect evidence.
• C. Only photograph the scene and leave notes to investigators.
• D. Move all items to a secure room and store without notes.

Answer: (B)

At the heart of evidence preservation is creating an accurate, untainted record of what happened at the scene. The primary role is to document everything meticulously—keep crime scene notes, produce a rough sketch with measurements, log conditions, entry and exit points, and any changes observed over time—without altering or removing items. This approach protects the integrity of the scene and supports the investigation by giving investigators a reliable narrative and location context. Collecting evidence directly at the scene can introduce contamination or misplacement, and dealing with evidence packaging is typically handled by trained forensic personnel under strict procedures and chain-of-custody rules. By documenting everything first, security forces establish a solid foundational record, then hand evidence over to qualified specialists for proper collection, packaging, and analysis. The other options fall short because they either prematurely focus on gathering items, limit documentation, or move evidence without maintaining proper notes and controls, which risks contaminating or losing crucial details.