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SEARCH INVESTIGATOR TIPS Using Open-ended Questions During the Investigative Interview (Part 1)
March / April 2017 (click here for normal version)
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When evaluating an account, such as what happened to a victim, a suspect’s alibi, or what a witness saw or heard, the investigator should elicit this information by asking an initial open-ended question early in the investigative interview. An open-ended question is one that calls for a narrative response. The following are examples of open questions:
There are a number of benefits of asking an initial open-ended question early during an
interview. First, because the subject is free to include or exclude whatever he wants to within his or her response, unless dealing with a fabricated victim’s account, the subject is unlikely to include false information, as open questions do not invite fabrication. Information that is volunteered during a response to an open question—for example, a subject’s alibi—will probably all be truthful, although perhaps incomplete. Second, the subject’s response to an initial open question can be evaluated for editing, where the subject intentionally excludes specific information within the account. Finally, responses to open questions generally do not commit the deceptive subject to a position of denial, whereas a series of closed questions may cause the subject to stick to a lie he told early during the interview process.
To illustrate these points, consider the following response to an open question concerning a subject’s alibi, where the issue under investigation is a drive-by shooting that occurred at 6:45 P.M. The open question asked of the suspect was, “Please tell me everything you did from noon on Friday until you went to bed.”
Over the noon hour I was shooting buckets with some friends and we decided to go to the McDonald’s on Sunset for lunch. We hung around McDonald’s for a while and went over to a friend’s house to see who was there. We were at her home for a while and sat and talked. After that we wanted to see a movie. The movie ended at about 7:00. Eventually, we went over to Paul’s house, talked and stuff and I walked home from Paul’s house around 9:00. I spent the rest of the night on the phone and listening to CDs in my room. I probably fell asleep around 11:00 or so.The above alibi does not include any false information, even though the subject was involved in the shooting incident (notice that the subject never stated that he went to the movie). As will be described shortly, this alibi can be analyzed for editing and, by asking clarifying questions, the investigator may be able to establish that the suspect, in fact, had no alibi at the time of the crime. Had the investigator elicited the alibi by asking a direct question—“Where were you at 6:45 last Friday night?” —the subject is likely to lie and is now committed to the position that he was at a movie when the drive-by shooting occurred, as illustrated by the following dialogue:
Question (Q): Where were you at about 6:45 last Friday night?
Response (R): I was with Paul and Greg at a movie.
Q: What movie was that?
R: Hell or High Water.
Q: When did you leave the movie theater?
R: The movie ended around 7:00, so it would have been about 7:10 or 7:15.
Q: And then what did you do?
R: We were in Paul’s car and he drove to his house where we talked for a while and I walked home at 9:00.
Eliciting an alibi in the above manner actually forces a guilty suspect to lie to the investigator’s questions. It is an obvious principle of interviewing, but one worth mentioning: it is always more advantageous to have a subject omit part of the truth than to fabricate information through a lie. Developing truthful information that was omitted from a response is much easier than learning the truth from a subject who is committed to a lie already told. Open questions do not invite a guilty subject to lie to the investigator’s question.
Phrasing Open Questions
Our social instincts teach us to ask open questions in a noninvasive manner (for example, “How was your day at work?” or “What happened at school today?”). These questions are certainly adequate to afford a person willing to disclose problems at work or school to reveal that information. However, they clearly are ineffective for the person motivated to deceive.
During the interview of a person suspected of involvement in a crime or fabricating an event, the initial open question should be phrased in the broadest sense possible (for example, “Tell me everything you did....”). The investigator also does not want to place any parameters within the question that might limit the subject’s response. Therefore, when questioning a wife concerning domestic violence, question 1 is improperly asked, whereas question 2 is properly asked:
1. Why don’t you start off by telling me what your husband did to you?
2. Please tell me everything that happened here this evening.
The first question is improper because it assumes that the husband in some way injured
the wife and also limits the response to her husband’s physical actions. The second offers no direction to the wife and she can report whatever she chooses.
Typically truthful accounts will start off at some point in time prior to the main event. Before responding to an open question, however, a deceptive subject may ask the investigator, “Where would you like me to begin?” or “What would you like to know?” The investigator should respond, “Wherever you want to begin” or “Everything that happened.”
Eliciting a Full Response
Once the subject starts responding to the initial open question the investigator should
allow him to continue with his response without asking any questions. If the investigator does interrupt the account by asking a question, the truthful subject may edit the account to provide what he believes the investigator wants to know. Also, interruptions as a result of questions break the subject’s flow of ideas and continuity of the account, which restricts the investigator’s ability to evaluate the account for edited information.
To encourage a full response to the initial open question, the investigator may use a technique called forced silence. After the subject pauses, the investigator might say something like, “all right” or “okay,” followed by silence. Inevitably, the subject will break the silence and continue with his response. When the response is complete the subject will generally let the investigator know this with a statement such as, “And that’s everything I did.”
(In the May/June Investigator Tip we will continue with Part 2: Evaluating the Response to an Open-ended Question)
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