Firearms are used more than two million times a year for personal protection. Cam Edwards presents one of those stories each day - today's is from Lynn, Massachusetts. An armed man puts a gun to the head of a citizen during a robbery. The armed citizen draws his own firearm and shoots the robber, who dies. The accomplice of the armed robber is charged in the death. The armed citizen will not be charged. Originally aired on the Sportsman Channel 4/22/14.