Three former CIA officers--among the world's foremost authorities on recognizing deceptive behavior--share their proven techniques for uncovering a lie

Imagine how different your life would be if you could tell whether someone was lying or telling you the truth. Be it hiring a new employee, investing in a financial interest, speaking with your child about drugs, confronting your significant other about suspected infidelity, or even dating someone new, having the ability to unmask a lie can have far-reaching and even life-altering consequences.

As former CIA officers,...