The document outlines various verbal and non-verbal signs that may indicate deception. It discusses body language cues like avoidance of eye contact, fidgeting, and restricted movement. It also notes timing discrepancies in emotional gestures compared to speech. Signs in speech include fast or fluctuating pitch, long pauses, lack of specifics, and overcompensation by providing events in chronological order. The content and context of statements can also provide clues, like the use of contractions and emphasis on pronouns in truthful statements.