Handed your first internal interview with no training? Follow eight steps, from a one-page plan to a word-for-word opening script, and run it fairly and defensibly.

Body language and lie detection are often linked, but research does not support many popular claims. This article explains why nervous behavior, eye contact, baselining, and microexpressions are weak indicators of deception and why investigators should focus on statement evidence, corroboration, and science-based interviewing instead.

AI in criminal investigations is only as good as the interviews feeding it. Science-based interviewing produces detailed, corroborable accounts an algorithm can actually use — accusatorial methods contaminate the dataset before analysis ever begins.