November 14, 2019 8:25 pm Authorities Search Social Media for Motive of Accused Gunman Investigators are looking into an Instagram account claiming to belong to the alleged shooter. Eric Leonard reports for the NBC4 News at 5 p.m. on Thursday, Nov. 14, 2019. US & World Videos 8:39 Gina Rodriguez gushes 0ver motherhood with son Charlie 2:22 Scarlett Johansson and Colin Jost have date night at White House Correspondents' dinner 2:09 President of MIT calls for shutting down pro-Palestinian encampments 3:57 Pleasant Sunday despite morning showers 1:00 Three dead in apparent murder-suicide in Lowell