A. THE SON MY VILLAGE INCIDENT

B. REPORTS OF THE INCIDENT

1. Reports of Civilian Casualties
2. Observations and Complaints by Aviation Personnel
3. The Order to Return to My Lai (4)
4. The Thompson Report Reaches Division Headquarters

C. INVESTIGATION OF THE INCIDENT AND REVIEW

1. COL Henderson's "Investigation"
2. Reaction to Information from Vietnamese Sources

D. SUPPRESSION AND WITHHOLDING OF INFORMATION

1. At Company Level
2. At Task Force and Brigade Levels
3. At Division Level
4. By Persons Outside the Americal Division

E. SUMMARY OF FINDINGS

A. OPERATIONS ON 16 MARCH

B. OPERATIONS ON 17 MARCH

A. INTRODUCTION

B. C COMPANY, 1ST BATTALION, 20TH INFANTRY

1. Failure to Report Acts of Murder and Other War Crimes
2. False Report of 20-28 Noncombatant Casualties
3. Instructions Not to Discuss or Report the Operation of 16 March

C. B COMPANY, 4TH BATTALION, 3D INFANTRY

1. Reports of VC Killed
2. Failure to Report Acts of Murder and Other War Crimes

D. TASK FORCE BARKER AND 11TH BRIGADE

1. Failure to Report Casualties Inflicted by C/1-20 Inf After 0840 Hours
2. Failure to Report Noncombatant Casualties
3. Changes in Report of 69 VC Killed by C Company
4. Failure to Report Allegations of War Crimes
5. Failure to Report Acts of Destruction of Private Property
6. Change in Report of 30-40 VC Departing My Lai (4)
7. TF Barker's Combat Action Report

E. COL HENDERSON'S REPORTS
F. COMPANY B, 123D AVIATION BATTALION

1. Failure to Make a Spot-Report of Alleged War Crimes
2. Failure to Report the Complete Facts Concerning Allegations of War Crimes
3. Instructions to Members of the Unit to Curb Discussion of the Son My Operation
4. Failure to Take Appropriate Action When Convinced a "Cover-Up" Was Taking Place
5. Failure to Act on Reports of Extensive Civilian Casualties

G. HEADQUARTERS, 123D AVIATION BATTALION

H. HEADQUARTERS, AMERICAL DIVISION

1. Failure to Report Information Concerning Noncombatant Casualties
2. Failure to Report Allegations of Suspected War Crimes
3. Failure to Insure a Thorough and Impartial Investigation of Allegations of War Crimes
4. Efforts by the Division Command Group to Limit Information Concerning Noncombatant Casualties and Alleged War Crimes
5. Failure of the Division Chaplain to Report Allegations of War Crimes

I. ACTIONS BY PERSONNEL OUTSIDE THE AMERICAL DIVISION

J. SUMMARY

A. Concerning Events Surrounding The Son My Operation of 16 - 19 March 1968
B. Concerning The Adequacy Of Reports, Investigations And Reviews
C. Concerning Attempts To Suppress Information
D. With Respect To Individuals
E. Concerning The Adequacy of Certain Policies, Directives, And Training
F. Peripheral Issues