CHAPTER VII. LEE HARVEY OSWALD: BACKGROUND AND POSSIBLE MOTIVES 375 The Early Years 377 New York City 378 Return to New Orleans and Joining the Marine Corps 383 Interest in Marxism 388 Defection to the Soviet Union 390 Return to the United States 394 Personal Relations 400 Employment 402 Attack on General Walker 404 Political Activities 406 Interest in Cuba 412 Possible Influence of Anti-Kennedy Sentiment in Dallas 415 Relationship With Wife 416 The Unanswered Questions 421 Conclusion 423 CHAPTER VIII. THE PROTECTION OF THE PRESIDENT 425 The Nature of the Protective Assignment 426 Evaluation of Presidential Protection at the Time of the Assassination of President Kennedy 428 Intelligence Functions Relating to Presidential Protection at the Time of the Dallas Trip 429 Liaison With Other Government Agencies 444 Other Protective Measures and Aspects of Secret Service Performance 444 Recommendations 454 Assassination a Federal Crime 454 Committee of Cabinet Officers 456 Responsibilities for Presidential Protection 457 General Supervision of the Secret Service 460 Preventive Intelligence 461 Liaison With Local Law Enforcement Agencies 465 Inspection of Buildings 466 Secret Service Personnel and Facilities 466 Manpower and Technical Assistance From Other Agencies 467 Conclusion 468 APPENDIX I. EXECUTIVE ORDER NO. 11130 471 APPENDIX II. WHITE HOUSE RELEASE 472 APPENDIX III. SENATE JOINT RESOLUTION 137 473