I get this question in almost every class: what's with all the goats? It started as a way to say thank you — cartoon GOAT stickers and a handwritten note for detectives who did great work. It ended up teaching me something about science-based interviewing. One good opening question once got 14 minutes of lies from a man now serving 30 years for murder. Every one of those lies was information. Statements are evidence. Here's why that changes how you interview — and how you lea

Spies gather intelligence, but someone still has to decide—usually without certainty. From the Prussian war game to the Catholic Church's Devil's Advocate, Israel's "Tenth Man," and the red teams that stress-tested the bin Laden raid, history shows that the most dangerous moment in any investigation isn't when the file is thin and everyone's arguing. It's when the file feels complete and everyone agrees. Are you red teaming your case—or one unchallenged assumption from disast