During an interview, if an officer wants to ensure they have obtained the complete story from a witness, at what step are they likely?

The correct answer, indicating that the officer is most likely at the "Closure and documentation" step during the interview, reflects a critical phase where the officer summarizes and ensures that the witness has provided all pertinent information. At this stage, the officer clarifies any ambiguous points and confirms that the account given is comprehensive and accurate, thus solidifying the integrity of the information gathered.

This step is vital as it allows the officer to verify that they haven't missed any crucial details and that the witness feels comfortable sharing any remaining thoughts or memories. Closure and documentation serve the dual purpose of ensuring completeness and preparing for proper record-keeping, which is essential for the investigation process.

In contrast, while preparation is important for setting the stage before the interview begins, it does not focus on gathering the complete story. Questioning involves the active process of obtaining information, but it is often more about exploration rather than finalization. Follow-up typically refers to opportunities to return to discuss further issues or clarifications after the main interview has concluded, rather than ensuring completeness of the initial account.