How to Tell If Someone Is Lying to You, According to Body Language Experts

All human beings possess the ability to lie. And many of us do — multiple studies have suggested that, on average, Americans tell one or two lies a day. Fortunately, experts say there are ways to spot signs of untruthfulness.

To identify a fib, you first have to have a baseline for how someone acts when they’re being honest, says Traci Brown, body language expert and author of How to Detect Lies, Fraud and Identity Theft: Field Guide.