How should witnesses be interviewed according to recommended practices?

• A. Witnesses should be interviewed separately, never as a group
• B. Witnesses should be interviewed together
• C. Witnesses should be interviewed only after the investigation is complete
• D. Witnesses should avoid responding to questions

Answer: (A)

Separating witnesses during interviews is recommended because it preserves the independence of each person’s memory and reduces the influence of others on what they recall. When interviewed individually, witnesses can describe events in their own words without being swayed by someone else’s account, which helps prevent memory contamination and social pressure to conform. It also makes it easier to spot discrepancies between accounts, so investigators can follow up on inconsistencies and get a clearer picture of what happened.

Interviews conducted in a group can introduce dynamics where one person dominates discussion, others mirror what they’ve heard, or collectively shape a narrative, all of which can distort the truth and obscure individual details.

Waiting until the investigation is complete to interview witnesses risks memory decay and lost details, which can weaken the reliability of what’s captured. Timely, separate interviews help ensure fresh, accurate recollections.

Witnesses should answer questions truthfully to provide useful information; asking them to avoid responding would deprive the investigation of essential facts.