AN ASSISTANT U.S. ATTORNEY GENERAL AND THE DIRECTOR OF THE JUSTICE DEPARTMENT'S INTERPOL LIAISON STAFF TESTIFIED BEFORE THE HOUSE SUBCOMMITTEE ON IMMIGRATION, CITIZENSHIP, AND INTERNATIONAL LAW. THE NUMBER OF ISSUES ADDRESSED INCLUDE THE HISTORY AND ORGANIZATIONAL STRUCTURE OF INTERPOL, THE RETURN OF CONTROL OVER THE NATIONAL CENTRAL BUREAU TO THE JUSTICE DEPARTMENT, PLANS FOR RESTRUCTURING THE BUREAU, CHARGES OF INFORMATION LEAKS TO TERRORIST ORGANIZATIONS, THE ROLE OF AMERICAN LAW ENFORCEMENT AGENTS ABROAD, INTERPOL FUNDING, INTERPOL'S ROLE AS AN EFFECTIVE INTERNATIONAL COMMUNICATION NETWORK, PROHIBITIONS AGAINST INTERPOL INVOLVING ITSELF IN CRIMINAL INVESTIGATION APPARENTLY POLITICAL IN NATURE, AND THE POSSIBILITY OF PAST ABUSES OF INTERPOL FOR POLITICAL PURPOSES. THE TREASURY DEPARTMENT'S PAST OPERATION OF THE NATIONAL CENTRAL BUREAU AND THE PARIS-BASED GENERAL SECRETARIAT'S LACK OF COOPERATION IN PROVIDING INFORMATION ON SUSPECTED NAZI WAR CRIMINALS ARE ASSAILED. APPENDED MATERIALS INCLUDE A SUBCOMMITTEE SURVEY OF LAW ENFORCEMENT AGENCIES, A GENERAL ACCOUNTING OFFICE REPORT ON U.S. PARTICIPATION IN INTERPOL, THE U.S. INTERPOL ANNUAL REPORT FOR 1976, A U.S. INTERPOL BROCHURE, AND INFORMATION ON THE FEDERAL BUREAU OF INVESTIGATION'S EARLY ACTIVITIES IN AND ATTITUDES TOWARD INTERPOL. TABULAR DATA ARE INCLUDED. (KBL)