Detect the liar

The following techniques are used by the Police and Security experts to find a person who is lying. This knowledge is also useful for the managers, employees and for anyone to use in everyday situations where telling the truth from a lie can help prevent you from being a victim of fraud/scams and other deceptions.
•Physical expression will be limited and stiff, with few arm and hand movements. Hand, arm and leg movement are toward their own body the liar takes up less space.
•A person who is lying to you will avoid making eye contact.
•Hands touching their face, throat & mouth. Touching or scratching the nose or behind their ear. Not likely to touch their chest/heart with an open hand.