In the case that your VCS file doesn't open, it is highly likely that you do not have the correct software application installed on your PC to view or edit VCS file extensions. If your PC opens the VCS file, but it's the wrong application, you'll need to change your Windows registry file association settings.
An Agent is simply a representative of the government who can conduct investigations. They do not possess the special power to also arrest people. FBI agents are Special Agents because they are able to both conduct investigations and they possess the special power to make arrests.
Additionally, the FBI is involved in investigating incidents such as airplane hijackings and terrorist threats. The job of an FBI agent can be stressful and cause hardships. Although the scheduled workweek might be 50 hours, many work more than that. A Special Agent is considered on duty 24 hours a day and seven days a week and may work holidays.