Could First Responders Save More Mass Shooting Victims?

Novel emergency surgical techniques, many born of the military's experience in Afghanistan and Iraq since 9/11, have revolutionized treatment of domestic gunshot victims. But first responders are still struggling with how to cope with mass shootings in civilian settings, where precious life-saving intervals can elapse before EMS personnel are allowed to reach the wounded.

The unfortunate reality is that many victims in mass shootings die because of delays in treating injuries that aren't definitively lethal, experts say.