What is the primary purpose of crime-scene investigation?

The primary purpose of crime-scene investigation is to recognize, document, photograph, and collect evidence. This process is fundamental to forensic science because it ensures that all relevant information and physical evidence from the crime scene is preserved and analyzed. By meticulously documenting the scene through photographs and notes, investigators can create a visual and contextual understanding of the crime, which is critical for later analysis in court or during criminal proceedings.

Collecting evidence properly is crucial since it can provide vital information about the crime, such as identifying the perpetrator, determining the sequence of events, and establishing connections between the victim and the suspect. Thorough documentation and evidence collection form the backbone of legal proceedings and are essential for ensuring justice is served based on factual information. This methodical approach allows investigators to build a comprehensive case, rather than jumping to conclusions or making assumptions without supporting evidence.

In contrast, other options do not accurately reflect the goals or methods of crime-scene investigation. The notion of immediately punishing suspects runs counter to the principle of due process in the justice system. Establishing alibis, while important, is a part of the broader context of investigations rather than the primary focus of the crime-scene investigation. Lastly, reconstructing a crime without any evidence would not