Specialist training in investigative and evidential interviewing: is it having any effect on the behaviour of professionals in the field?

While numerous concerns have been voiced over the past decade regarding the inappropriate question styles of investigative and evidential interviewers, there has been relatively little research, discussion, and critique in relation to the content, structure, and efficacy of existing interviewer training courses. This article provides a brief up-to-date summary of the essential elements of an investigative or evidential interview, followed by a review of research relating to the effectiveness of training programs for forensic interviewers and the factors that are needed to promote the use of appropriate questioning techniques. Finally, this article offers recommendations for future research and for the revision of existing training programs in forensic interviewing.