FBI agents issue citations, gather evidence from crime scenes, and apprehend criminals using firearms. They also identify fingerprints and weapons, provide evidence for court cases, and deal with criminals appropriately. Education requirements range from a high school diploma to a bachelor's degree, and agents must pass hearing and vision tests. Salaries range from $50,000 to $150,000 annually and the FBI is predicted to grow its agent workforce by over 18,000 positions by 2018. Related careers include national security, fingerprint analysis, firefighting, and policing as they require similar skills like physical strength and evidence analysis.