Soldier's Alleged Kandahar Killing Spree: Were Warning Signs Missed?

Whether it was a psychotic break or underlying mental illness that led a United States Army soldier to allegedly massacre 16 Afghan civilians -- including women and children -- is still unclear. But as military investigators reportedly interrogate the 38-year-old staff sergeant they say they believe to be behind the Sunday morning killing spree, psychological experts said such actions are generally preceded by strong signals that something is wrong -- signals that, in this case, may have been...Full Story