Seymour M. Hersh in The New Yorker:
By early 1969, most of the members of Charlie Company had completed their tours and returned home. I was then a thirty-two-year-old freelance reporter in Washington, D.C. Determined to understand how young men—boys, really—could have done this, I spent weeks pursuing them. In many cases, they talked openly and, for the most part, honestly with me, describing what they did at My Lai and how they planned to live with the memory of it.