A primary purpose of field notes is to provide a record of observations for later reference and investigation. Which option expresses this idea?

• A. They replace all formal incident reports
• B. They provide a record of observations for later reference and investigation
• C. They are used only for training
• D. They are not used in investigations

Answer: (B)

Field notes are meant to capture a detailed, contemporaneous account of what a officer observes, so they serve as a lasting record that can be consulted later during investigations or when preparing reports or testimony. The best choice expresses that purpose directly: it describes field notes as a record of observations for later reference and investigation, which is the core function they fulfill in turning momentary observations into reliable, verifiable information.

This kind of record supports recall and reconstruction of events, helps link observations to evidence, and provides a factual basis that can be used in formal reports and in court. It’s not about replacing formal incident reports—those are structured documents that summarize the scene and actions taken, often using information first captured in field notes. It’s also not limited to training, though notes can be used for that; their primary value is in supporting ongoing investigations and factual accountability. And finally, they are indeed used in investigations, not excluded from them.