Report of the Department of the Army review of the preliminary investigations into the My Lai incident

Vol. 1 of the Peers Inquiry contains the narrative report of the investigation. The report, which is divided into twelve chapters and two annexes, includes the 29 March 1969 letter from Ronald L. Ridenhour reporting the incident to the Secretary of Defense, the mission statement of the Inquiry, findings and recommendations, maps, an extensive table of contents, and a 26-page glossary. Vol. 2 of the Peers Inquiry, entitled "Testimony," is further subdivided into a series of 32 "books," and is comprised of approximately 20,000 pages of testimony and summaries of testimony by over 350 witnesses.