What is the definition of a witness in the context of crime?

In the context of crime, a witness is defined as a person who has knowledge of the facts relating to a crime. This typically includes individuals who observed the crime or have relevant information that can help establish the circumstances surrounding the event. Witnesses play a crucial role in the judicial process by providing testimony that can corroborate or refute claims made by others, particularly the prosecution and defense. The role of a witness is vital for ensuring that the truth is uncovered during investigations and trials.

The other options provided do not align with the definition of a witness. A person involved in the commission of a crime may be categorized as a perpetrator or accomplice, not a witness. A law enforcement officer present during a crime may gather evidence but is not typically considered a witness in the same sense, as their role often involves enforcement and investigation rather than merely observing. Finally, a legal representative of the accused, such as an attorney, acts on behalf of the accused and does not serve as a witness regarding the facts of the crime. Thus, the only choice that accurately reflects the definition of a witness is one who possesses knowledge of the relevant facts concerning a criminal incident.