A professional who investigates alleged or suspected criminal violations of federal, state, or local laws to determine if evidence is sufficient to recommend prosecution. Respnsibilities include:

• Analyzes charge, complaint, or allegation of law violation to identify issues involved and types of evidence needed.
• Assists in determining scope, timing, and direction of investigation.
• Develops and uses informants to get leads to information.
• Obtains evidence or establishes facts by interviewing, observing, and interrogating suspects and witnesses and analyzing records.
• Examines records to detect links in chain of evidence or information.
• Uses cameras and photostatic machines to record evidence and documents.
• Verifies information obtained to establish accuracy and authenticity of facts and evidence.
• Maintains surveillances and performs undercover assignments.
• Presents findings in clear, logical, impartial, and properly documented reports.
• Reports critical information to and coordinates activities with other offices or agencies when applicable.
• Testifies before grand juries.
• Serves subpoenas or other official papers.
• May lead or coordinate work of other special agents.
• May obtain and use search and arrest warrants.
• May serve on full-time, detail, or rotational protection assignments.
• May carry firearms and make arrests.
• May be designated according to agency worked for as Special Agent, FBI; Special Agent, IRS; Special Agent, Secret Service.