When the audience is removed the individual will no longer be engaged in a performance and may be more receptive to communication. There are non-verbal as well as verbal signs that indicate a situation could escalate into violence. When you happen upon an individual who is in a heightened state of agitation, your immediate attention is required. Don't try to defuse the situation yourself, Call for back up. The non-verbal danger signs of agitation are clenched fists, pacing, and appearance of being preoccupied and very intense eye contact.
Verbal agitation presents as sarcasm, profanity and personal verbal attacks.
Under these circumstances, you must distance yourself physically by several feet, in case the person tries to strike you. Giving the agitated person distance is not only protecting yourself from harm, but also giving the individual the respect of the personal space he or she requires at that moment which may reduce his or her anxiety. The response of the intervening team at this level can either promote more agitation or it can de-escalate the situation. The team should convey confidence to the agitated person, even though they may be experiencing fear themselves. The body language of the team is important.