Class of 99 Clowns?
Found this a while back about clas 1-99
http://www.freerepublic.com/focus/chat/3764261/posts?page=269#269
Classes of FBI Records in the National Archives
1-99 covers most domestic crimes like
3 - Overthrow or Destruction of the Government
7 - Kidnapping
9 - Extortion
15 - Theft from Interstate Shipment
17 - Fraud Against the Government — Veterans Administration
29 - Bank Fraud and Embezzlement
31 - White Slave Traffic Act
36 - Mail Fraud
37 - False Claim Against the Government
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
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
74 - Perjury
81 - Gold Hoarding
87 - Interstate Transportation of Stolen Property
88 - Unlawful Flight to Avoid Prosecution
89 - Assaulting, Killing or Attempting to Kill a Federal Officer, etc
98 - Sabotage
https://www.archives.gov/research/investigations/fbi/classifications