on this saturday night, a matter of life and debt. dramatic body cam footage showing a murder suspect charging at an officer and his split-second decision. nightmare flight. travelers stranded on the tarmac for hours as conditions worsen on board. passengers told they could get off, but there was a catch. a mother's warning. after losing her son to isis. tonight her insights and her message to other parents. triggering debate. the controversial bills allowing students to carry guns on some college campuses. is it protecting a right or the wrong cause? and stealing the show. a young dancer who's making moves and defying the odds. this is "nbc