What is the primary function of witness statements in an investigation?

The primary function of witness statements in an investigation is to offer crucial information and context. These statements are vital as they provide firsthand accounts of events related to the investigation. They help establish facts, clarify timelines, and can often shed light on circumstances that might not have been otherwise known to law enforcement. This contextual information is essential for investigators to piece together the narrative of what occurred and to support a thorough and accurate investigation.

Witness statements are relied upon to understand the perspectives of those who observed or were involved in the incident, allowing investigators to gather a comprehensive view of the situation. This information can also guide further inquiry by indicating potential areas for additional questioning or investigation based on what witnesses provide.

The other options, while they touch on aspects of documentation and courtroom processes, do not capture the primary role of witness statements effectively. They might be secondary functions or results of the witness statements but do not directly convey their main purpose in an investigation.