Proper listening to everything that people have to say can reveal things that they may wish to conceal. Through observing and being open to their body language, vocal tone and tempo you can pick up many hidden clues to the truth.
Our appearance, behaviour and our communication say more than our words simply do. Never assume that by dressing well that you can hide the truth of a matter, nor by choosing your words well, will cover up any flaws in the rest of your message.
I find that if I sit back, look, listen and feel a situation. I can learn more than words alone.
The art of reading a person can reveal more about what motivates them to act in a certain manner, what their values are and how to communicate with them in a way that they will be fully frank and open with you. Even when they think they are hiding something.
Discover more about your own values here