What is the purpose of an interrogation?

The purpose of an interrogation is primarily to ask questions of a suspect or arrested person. This process is essential in the criminal justice system as it helps law enforcement officials gather information directly from individuals who may have knowledge about a crime or who are involved in a criminal investigation. Through interrogation, officers can obtain confessions, clarify details, and understand the suspect's perspective regarding the events in question. It is a critical step in the investigative process, as the information gathered can lead to breakthrough evidence, assist in piecing together a timeline of events, and ultimately contribute to solving the case.

The other options focus on different aspects of law enforcement and the investigative process. Gathering evidence from a crime scene pertains to forensic work, informing victims about their rights relates to victim advocacy, and interviewing witnesses involves collecting insights from those who have witnessed the crime. While all these functions are vital for a comprehensive investigation, they are not the specific purpose of an interrogation.