Until someone opens the box, nobody knows what’s inside. Body language training claims to know anyway. Here is the three-box problem and what it holds up instead.

There is a heat map for the cereal aisle, the ad, the landing page, and your résumé. Entire professions test, measure, and upgrade to move a number two percent. The interview room—where we decide what is true—still runs on a method whose first famous case produced a false confession.

The interview decides your workplace investigation. Here's a step-by-step, science-based interviewing process—plan, free recall, open questions, strategic evidence disclosure, and a clean close—to run one that's fair, defensible, and actually gets to the truth.