Police Officer Charles Hartfield was shot and killed while taking off duty action to rescue citizens during the active shooter incident at the Route 91 Harvest Festival. Officer Hartfield was attending the concert, with his wife, when a gunman opened fire on the audience from the 32nd floor of the Mandalay Bay Hotel. Hundreds of citizens were struck by gunfire. Officer Hartfield immediately attempted to assist some of the casualties when he was fatally struck by one of the rounds. The gunman committed suicide as members of the SWAT team made entry into the room he was barricaded in. Fifty-eight...