When someone is engaged in behavior that is dangerous to others there comes a time when intervention much come on board. When situations such as hostages come up the need for underground hypnosis may be apparent. To confuse or stupefy the hostile person it takes much focus. When they have requests for certain items they have to be influenced to turn over the hostages. Somehow they have to be led to a different way of thinking to save lives. It takes a great amount of practice to take on such a challenging role. The good news is that it can make all the difference when it comes to lives of others.