allies. donald trump did not testify, but the grand jury believes some witnesses who did lied under oath. jonathan karl standing by. the major storm as we come on the air. tornado warnings in the south. 18 states on alert from mississippi to maine. severe storms, heavy snow, and rain. the system moving into the northeast tomorrow. rob marciano tracking it all. late word tonight, a police officer arrested for the deadly shooting of an unarmed man in louisiana. what the officer s body camera video shows after he responded to a domestic disturbance. new reporting tonight about the tragic shooting on the campus of michigan state university. authorities revealing the chilling two-page note written by the alleged gunman and listing other targets. frustrated residents demanding answers about the toxic train derailment in east palestine, ohio. the head of the epa on the ground today, trying to calm fears. some people complaining of headaches and nausea. many concerned about w