NBC February 1, 2018 11:35 pm New Details Emerge in July 2016 Dallas Police Ambush For the first time, a Dallas SWAT officer is talking publicly about the life-or-death firefight with the man who killed five police officers in the July 7, 2016, ambush. Local 1:37 Pro-Palestinian protesters gather outside White House correspondents' dinner 2:05 How ‘Love Is Blind' made Vanessa Lachey and Nick Lachey's marriage stronger 5:49 Kelly Clarkson hilariously attempts handmade pasta with chef Evan Funke 1:59 Ellen DeGeneres jokes about being ‘kicked out of show business' 1:36 O.J. Simpson's cause of death revealed