How are “witness statements” typically utilized in trials?

Witness statements serve a crucial role in trials by offering factual accounts of events, which are essential for the jury's understanding of the context surrounding a case. These statements are typically composed of the observations and experiences of individuals who have firsthand knowledge of the events in question. They provide a narrative that helps recreate the circumstances and facts pertinent to the case, which can influence the jury's perception and ultimately their verdict.

The use of witness statements allows the jury to assess the reliability and relevance of the information presented, as they reflect the testimonies of those who witnessed the events. This testimonial evidence can corroborate or challenge other evidence presented during the trial.

In contrast, the other options do not accurately describe the purpose of witness statements in trials. They do not serve as visual evidence; rather, they are written accounts. While they can support or contradict expert testimony, they do not replace it, as expert testimony typically involves specialized knowledge that may not be covered in witness statements. Lastly, undermining the credibility of the defendant is not the primary purpose of witness statements; instead, they are intended to present evidence and assist in establishing facts relevant to the case.