AGS is responsible for numerous things in San Francisco, CA security guard services, including theft prevention. They examine properties for fires, terrorist attacks, break-ins, and crime. When it comes to protecting their employer's property, preventing crimes from occurring, and abiding by the law, security guards are typically at the vanguard. Training for the guards is required. Radios and phones are the primary modes of communication for security officers in the event of a medical or fire emergency. Each shift's events and observations are recorded in a logbook or document. It is required that some security officers testify in court. Guards undertake 8–13-hour shifts 4-5 days a week. The majority of the security staff will be patrolling on foot during this time period. Even though their shifts are routine, guards must always be prepared for the possibility of danger. Guards spend their whole shift examining records and vetting identity documents at a central station. Security guard services training seminars can launch a career.