• 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 guilty person gets defensive. An innocent person will often go on the offensive.
• Liars sometimes avoid "lying" by not making direct statements. They imply answers instead of denying something directly.
• If you believe someone is lying, then change subject of a conversation quickly, a liar follows along willingly and becomes more relaxed. The guilty wants the subject changed; an innocent person may be confused by the sudden change in topics and will want to back to the previous subject.