Every security guard job description expects the individual to spend a major amount of time patrolling the premises of the client. The real purpose of doing this is to make sure that the security within the premises is maintained. The unarmed guard services san Bernardino will need to use their instincts, keen sense of smell and sight in order to evaluate the smallest signs of disturbances as whether they are a potential threat or not. This further allows them to assess what the best course of action would be.