Some who knew Robert Bales were puzzled when he abandoned what seemed like a promising career in the financial services industry to enlist in the Army in the months following the Sept. 11 attacks.

9/11事件过后几个月，罗伯特•贝尔斯(Robert Bales)放弃他在金融行业看似前程似锦的职业，加入了美国陆军。当时一些认识他的人对此感到迷惑不解。

Now, with that military career apparently ending, those who know him wonder about something else: how he could possibly be the U.S. soldier who went from house to house in Afghanistan, shooting, stabbing and burning innocent civilians