What is "interrogation" primarily concerned with?

Interrogation is primarily concerned with questioning a suspect to obtain information or a confession. The process involves strategically asking questions to elicit responses that can provide insight into the suspect's involvement in a crime. Interrogation aims to uncover the truth about events, gather details about the crime, and sometimes secure a confession from the suspect. It is a critical aspect of criminal investigations, as effective interrogations can lead to significant breakthroughs in cases.

The other options, such as gathering evidence from crime scenes, conducting search warrants, and assessing public opinion on crime, describe different aspects of police work but do not specifically define what interrogation is aimed at. While these activities play important roles in the broader investigative process, they do not involve the direct engagement with a suspect that defines interrogation.