They work with others. In the FBI the case assigned they usually go with a squad of men. Depending on how dangerous the case is will determine the amount of agents. For example if the case is to arrest a violent drug dealear, then there would be alot of officers about 15
all over the world
They are assigned to cases individually, but may be teamed up (as circumstances dictate) with another, or others.
Of course they can. The FBI agents themselves are civilians. -Anybody NOT in an actual military unit are civilians.
The FBI works alone.
The government.
If you become work like FBI will earnings $48,890
yes.
The FBI
Sue Thomas was a deaf agent who worked for the FBI. She helped the FBI by lip reading.
All FBI agents are required to be US Citizens.
Some FBI agents do work undercover.
Whatever it takes to complete the mission.