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Secret No More: FBI Central Records Systems Classification

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The first three numbers of any FBI file designation indicate the kind of offense the FBI was investigating when it opened the file. For example, a file number that begins “025” would be classification 25, or an investigation into draft evasion or violation of the Selective Service Act.

1 National Academy matters
2 Neutrality Matter
3 Destruction or Overthrow of the Government
4 National Firearms Act
5 Income Tax
6 Interstate Transportation of Strikebreakers
7 Kidnapping
8 Migratory Bird Act
9 Extortion
10 Red Cross Act
11 Tax (other than income)
12 Narcotics
13 National Defense Act; Prostitution; Selling Whiskey Within Army Camps, 1920 only (obsolete)
14 Sedition
15 Theft from Interstate Shipment
16 Consolidated into Classification 69
17 Fraud Against the Government – Veterans Administration
18 May Act
19 Censorship Matters
20 Federal Grain Standards Act, 1920 only (obsolete)
21 Food and Drugs
22 National Motor Vehicle Traffic Act, 1922-27 (obsolete)
23 Prohibition
24 Profiteering, 1920-24 (obsolete)
25 Selective Service Act
26 Interstate Transportation of Stolen Motor Vehicles and Stolen Aircraft
27 Patent Matter
28 Copyright Matters
29 Bank Fraud and Embezzlement
30 Interstate Quarantine Law (obsolete)
31 White Slave Traffic Act
32 Fingerprint Matters
33 Uniform Crime Reporting
34 Violation of Lacy Act, 1922-43 (obsolete)
35 Civil Service
36 Mail Fraud
37 False Claim Against the Government, 1922-29 (obsolete)
38 Application for Pardon to Restore Civil Rights, 1921-35 (obsolete)
39 Falsely Claiming Citizenship (obsolete)
40 Passport and Visa Matters
41 Explosives (obsolete)
42 Deserter
43 Illegal Wearing of Uniform
44 Civil Rights
45 Crime on the High Seas
46 Fraud Against the Government
47 Impersonation
48 Postal Violations (except Mail Fraud)
49 National Bankruptcy Act
50 Involuntary Servitude and Slavery
51 Jury Panel Investigation
52 Theft or Destruction of Government Property
53 Excess Profits on Wool, 1918 (obsolete)
54 Customs Laws and Smuggling
55 Counterfeiting
56 Election Laws
57 War Labor Dispute Act (obsolete)
58 Bribery; Conflict of Interest
59 World War Adjusted Compensation Act, 1924-44 (obsolete)
60 Anti-Trust
61 Treason
62 Miscellaneous-Nonsubversive
64 Foreign Miscellaneous
65 Espionage
66 Administrative Matters
67 Personnel Matters
68 Alaskan Matters (obsolete)
69 Contempt of Court
70 Crime on Government Reservation
71 Bills of Lading Act
72 Obstruction of Criminal Investigations
73 Application for Pardon
74 Perjury
75 Bondsmen and Sureties
76 Escaped Federal Prisoner
77 Applicants (Special Inquiry, Departmental, Other Gov’t Agencies)
78 Illegal use of Government Transportation Requests
79 Missing Persons
80 Laboratory Research Matters, Headquarters
81 Gold Hoarding, 1933-45 (obsolete)
82 War Risk Insurance (obsolete)
83 Claims court
84 Reconstruction Finance Corporation Act (obsolete)
85 Home Owners Loan Corporation (obsolete)
86 Fraud Against the Government – Small Business Administration
87 Interstate Transportation of Stolen Property
88 Unlawful Flight to Avoid Prosecution
89 Assaulting or Killing a Federal Officer
90 Irregularities in Federal Penal Institutions
91 Bank Robbery
92 Racketeering Enterprise Investigations
93 Ascertaining Financial Ability
94 Research Matters
95 Laboratory Examinations
96 Alien Applicants (obsolete)
97 Foreign Agents Registration Act
98 Sabotage
99 Plant Survey (obsolete)
100 Domestic Security
101 Hatch Act (obsolete)
102 Voorhis Act
103 Interstate Transportation of Stolen Cattle
104 Servicemen’s Dependents Allowance Act of 1942 (obsolete)
105 Foreign Counterintelligence
106 Alien Enemy Control
107 Denaturalization Proceedings (obsolete)
108 Foreign Travel Control (obsolete)
109 Foreign Political Matters
110 Foreign Economic Matters
111 Foreign Social Conditions
112 Foreign Funds
113 Foreign Military and Naval Matters
114 Alien Property Custodian Matter (obsolete)
115 Bond Default
116 Department of Energy, Applicant
117 Atomic Energy Act
118 Applicant, Central Intelligence Agency (obsolete)
119 Federal Regulation of Lobbying Act
120 Federal Tort Claims Act
121 Loyalty of Government Employees (obsolete)
122 Labor Management Relations Act
123 Special Inquiry, State Department, Voice of America (obsolete)
124 European Recovery Program (obsolete)
125 Railway Labor Act
126 National Security Resources Board (obsolete)
127 Sensitive Positions in the United States Government (obsolete)
128 International Development Program (obsolete)
129 Evacuation Claims (obsolete)
130 Special Inquiry, Armed Forces Security Act (obsolete)
131 Admiralty Matter
132 Special Inquiry, Office of Defense Mobilization (obsolete)
133 National Science Foundation Act Applicant (obsolete)
134 Foreign Counterintelligence Assets
135 PROSAB – Protection of Strategic Air Command Bases of the US Air Force (obsolete)
136 American Legion Contacts (obsolete)
137 Informants
138 Loyalty of Employees of International Organizations
139 Interception of Communications
140 Security of Government Employees
141 False Entries in Records of Interstate Carriers
142 Illegal Use of Railroad Pass
143 Interstate Transportation of Gambling Devices
144 Interstate Transportation of Lottery Tickets
145 Interstate Transportation of Obscene Matter
146 Interstate Transportation of Prison Made Goods
147 Fraud Against the Government-Department of Housing and Urban Development
148 Interstate Transportation of Fireworks
149 Destruction of Aircraft or Motor Vehicles
150 Harboring of Federal Fugitives, Statistics (obsolete)
151 Referral Cases from Office of Personnel Management, Applicant Loyalty
152 Switchblade Knife Act
153 Automobile Information Disclosure Unit
154 Interstate Transportation of Unsafe Refrigerators
155 National Aeronautics and Space Act of 1958
156 Employee Retirement Income Security Act
157 Civil Unrest
158 Labor-Management Reporting and Disclosure Act of 1959 (obsolete)
159 Labor-Management Reporting and Disclosure Act of 1959
160 Federal Train Wreck Statute
161 Special Inquiries for White House, Congressional Committees, and Other Government Agencies
162 Interstate Gambling Activities
163 Foreign Police Cooperation
164 Crime Aboard Aircraft
165 Interstate Transmission of Wagering Information
166 Interstate Transportation in Aid of Racketeering
167 Destruction of Interstate Property
168 Interstate Transportation of Wagering Paraphernalia
169 Hydraulic Brake Fluid Act (obsolete)
170 Extremist Informants (obsolete)
171 Motor Vehicle Seat Belt Act (obsolete)
172 Sports Bribery
173 Civil Rights Act of 1964
174 Explosives and Incendiary Devices
175 Assaulting, Kidnapping or Killing the President
176 Antiriot Laws
177 Discrimination in Housing
178 Interstate Obscene or Harassing Telephone Calls
179 Extortionate Credit Transactions
180 Desecrationof the Flag
181 Consumer Credit Protection Act
182 Illegal Gambling Business
183 Racketeer Influenced and Corrupt Organizations
184 Police Killings
185 Protection of Foreign Officials and Official Guests
186 Real Estate Settlement Procedure Act of 1974
187 Privacy Act of 1974
188 Crime Resistance
189 Equal Credit Opportunity Act
190 Freedom of Information / Privacy Acts
191 False Identity Matter (obsolete)
192 Hobbs Act – Financial Institutions; Commercial Institutions
193 Hobbs Act – Commercial Institutions (obsolete)
194 Hobbs Act – Corruption of Public Officials
195 Hobbs Act – Labor Related
196 Fraud by Wire
197 Civil Actions or Claims Against the Government
198 Crime on Indian Reservations
199 Foreign Counterintelligence – Terrorism
200 Foreign Counterintelligence Matters
201 Foreign Counterintelligence Matters
202 Foreign Counterintelligence Matters
203 Foreign Counterintelligence Matters
205 Foreign Revenue Sharing
205 Foreign Corrupt Practices Act of 1977
206 Fraud Against the Government
207 Fraud Against the Government
208 Fraud Against the Government
209 Fraud Against the Government
210 Fraud Against the Government
211 Ethics in Government Act of 1978
212 Foreign Counterintelligence – Intelligence Community Support
213 Fraud Against the Government
214 Civil Rights of Institutionalized Persons Act
215-229 Foreign Counterintelligence Matters
230-240 FBI Training Matters
241 DEA Applicant Investigations
242 Automation Matters
243 Intelligence Identities Protection Act of 1982
244 Hostage Recuse Team
245 Drug Investigative Task Force
246-248 Foreign Counterintelligence Matters
249 Toxic Waste Matters
250 Tampering with Consumer Products
251 Controlled Substances
252 National Center for the Analysis of Violent Crime/Violent Criminal Apprehension Program – NCAVC/VI-CAP
253 Fraud and Related Activity in Connection with Identification Documents
254 Destruction of Energy Facilities
255 Counterfeiting of State and Corporate Securities
256 Hostage Taking – Terrorism
257 Trademark Counterfeiting Act of 1984
258 Credit and/or Debit Card Fraud
259 Security Clearance Investigations Program
260 Industrial Security Program
261 Security Office Matters
262 Overseas Homicide – Attempted Homicide
263 OPR – Office of Professional Responsibility Matters
264 Computer Fraud and Abuse
265 Acts of Terrorism in the United States – International Terrorists
266 Acts of Terrorism in the United States – Domestic Terrorists
267 Drug Related Homicide
268 Engineering Technical Matters – FCI
269 Engineering Technical Matters – Non-FCI
270 Cooperative Witnesses
271 Arms Control Treaty Matters
272 Money Laundering
273 Adoptive Forfeiture Matters – Drugs
274 Adoptive Forfeiture Matters – Organized Crime
275 Adoptive Forfeiture Matters – White Collar Crime
276 Adoptive Forfeiture Matters – Violent Crimes and Major Offenders
277 Adoptive Forfeiture Matters – Counterterrorism
278 President’s Intelligence Oversight Board Matters
279 Weapons of Mass Destruction
280 Equal Employment Opportunity Matters
281 Organized Crime Drug Investigations
282 Color of Law
283 Foreign Counterintelligence Investigations
284 Economic Counterintelligence
285 Acts of Economic Espionage
286 Freedom of Access to Clinic Entrances
288 Computer Intrusion – Criminal
289 Witness Security Program
290 Alien Terrorist Removal Court
292 Domestic Emergency Support Team
293 Foreign Emergency Support Team
295 Intellectual Property Rights
296 Integrity Committee Matters
297 Inspection Matters
298 National Sex Offender Registry – Violations
300 Counterterrorism Preparedness
301 Missing Persons DNA Database
302 Foreign Counterintelligence Investigations
303 Foreign Counterintelligence Investigations
304 Foreign Counterintelligence Investigations
305 Innocent Images National Initiative
306 Serial Killings
307 Foreign Counterintelligence Investigations
308 ERT Administrative Matters
309 Human Rights Offenses
310 Foreign Counterintelligence Investigations
311 Foreign Counterintelligence Investigations
312 Cyber Crime – Training Received and Provided
314 InfraGard
315 International Terrorism Investigations
316 Cyber Crime – Other
318 Corporate Fraud; Prime Bank and High-Yield Investment Fraud, Insider Trading, Market Manipulation
319 Administrative Records
321 Operations/Program Management
322 Bioterrorism Risk Assessment Matters
323 Hazardous Material Response Team
324 Foreign Counterintelligence Investigations
325 Foreign Counterintelligence Investigations
326 Foreign Counterintelligence Investigations
327 Foreign Counterintelligence Investigations
329 Mortgage Fraud
330 Advanced Technologies Investigations
332 Media Leak
333 Legal Advice and Opinions
800 Intelligence Program
801 International and Domestic Terrorism
802 Counterintelligence
803 Cyber
804 Criminal
805 Directorate of National Intelligence Requirements
806 Directorate of National Intelligence, Other
807 Weapons Of Mass Destruction
808 Foreign Intelligence Program
809 Foreign Intelligence Program
810 Foreign Intelligence Program
811 Foreign Intelligence Program
812 Foreign Intelligence Program
813 Foreign Intelligence Program
814 Foreign Intelligence Program
900 Major Case – Terrorism
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