Witness statements:

Witness statements play a critical role in the investigative process, particularly in providing testimony and supporting evidence when constructing a case. Being included as a component of the crown brief signifies their importance in legal proceedings. The crown brief is typically a compilation of evidence and information that can be used in court, and witness statements contribute significantly to establishing facts and supporting the prosecution's case.

These statements can offer first-hand accounts of incidents, clarify specifics about the events, and provide different perspectives that can be vital for investigators and prosecutors. Additionally, their inclusion helps ensure that all evidence presented in court has been adequately documented and can be referenced during proceedings, strengthening the case overall.

In contrast to this, other options suggest various misconceptions about the value or handling of witness statements. For example, the idea that they are not necessary overlooks how crucial eyewitness accounts can be in corroborating evidence and enriching the narrative of events. Similarly, the notion that they can be disregarded if not recorded fails to recognize the potential impact of verbal accounts, especially if documented promptly after the event. Lastly, while prompt collection is essential for accuracy and reliability, this does not diminish the critical role that these statements play when they are included as part of the crown brief.