MEMORANDUM FOR LIEUTENANT GENERAL WILI.IAM R. PEERS
                                 

SUBJECT:            Directive for Investigation
 

 Confirming oral instructions given you on 24 November 1969, you are directed to explore the nature and the scope of the original U.S. Army investigations of the alleged My Lai (4) incident which occurred 16 March 1968 in Quang Ngai Province, Republic of Vietnam.  Your investigation will include a determination of the adequacy of the investigation(s) or inquiries on this subject, their subsequent reviews and reports within the chain of command, and possible suppression or withholding of information by persons involved in the incident.

 Your investigation will be concerned with the time period beginning March 1968 until Mr. Ronald L. Ridenhour sent his letter, dated 29 March 1969, to the Secretary of Defense and others.  The scope of your investigation does not include, nor will it interfere with, ongoing criminal investigations in progress.

 The procedures contained in AR 15-6 are authorized for such use as may be required.

 You are authorized to select and use on a full-time basis officer and civilian members of the Army whom you deem necessary for the conduct of the investigation.  Your deputy is designated as Mr. Bland West, Assistant General Counsel, Department of the Army.  Should you require other assistance, please let us know.

 You will inform us at an early date of the expected completion date of your report.
 

                             W.C. WESTMORELAND                                                                    Stanley R. Resor
                             General, U. S. Army                                                                               Secretary of the Army
                             Chief of Staff
 

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