[CLASS 1-99] per FBI archives >>https://www.archives.gov/research/investigations/fbi/classifications

 

1 - Training Matters

2 - Neutrality Matters

3 - Overthrow or Destruction of the Government

7 - Kidnapping

9 - Extortion

15 - Theft from Interstate Shipment

17 - Fraud Against the Government – Veterans Administration

18 - May Act

19 - Censorship Matters

20 - Federal Grain Standards Act

22 -National Motor Vehicle Traffic Act

23 - Prohibition

25 - Selective Service Act

26 - Interstate Transportation of Stolen Motor Vehicle or Aircraft

27 - Patent Matters

28 - Copyright Matters

29 - Bank Fraud and Embezzlement

31 - White Slave Traffic Act

32 - Identification (Fingerprint Matters)

34 - Violation of Lacy Act

35 - Civil Service

36 - Mail Fraud

37 - False Claim Against the Government

38 - Application for Pardon to Restore Civil Rights

39 - Falsely Claiming Citizenship

40 - Passport and Visa Matters

41 - Explosives

42 - Deserters

43 - Illegal Wearing of Uniform or Decorations

44 - Civil Rights (Racial Violence or Discrimination)

45 - Crimes of the High Seas

46 - Fraud Against the Government - Renegotiation Act - Civil Suits; False Claims - Civil Suits

50 - Involuntary Servitude and Slavery

52 - Government Property - Theft, Robbery, Embezzlement, Illegal Possession, Destruction

54 - Customs Laws and Smuggling

57 - War Labor Dispute Act

61 - Treason

62 - Administrative Inquiries (Miscellaneous Subversive and Non-Subversive)

63 - Miscellaneous Non-Subversive

64 - Foreign Miscellaneous

65 - Espionage

67 - Bureau Applicant Matters

72 - Obstruction of Justice

73 - Application for Pardon after Completion of Sentence

74 - Perjury

77 - Background Investigations (Non-FBI)

81 - Gold Hoarding

84 - Reconstruction Finance Corporation Act

87 - Interstate Transportation of Stolen Property

88 - Unlawful Flight to Avoid Prosecution

89 - Assaulting, Killing or Attempting to Kill a Federal Officer, etc.

91 - Bank Robbery

93 - Ascertaining Financial Ability

94 - Research Matters and General Correspondence

95 - Laboratory Investigative Services

96 - Alien Applicants

97 - Registration Act

98 - Sabotage

99 - Plant Survey