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.
Job Description for FBI Agent. The FBI is the law enforcement organization in the United States charged with the duty of investigating federal crimes. An FBI agent is a person who works for this group is an investigator. He or she collects evidence, interviews persons who may have knowledge of the crimes committed, and analyzes this data with other personnel and FBI resources.