you have stolen my dreams and my childhood with your empty words. we are in the beginning of a mass extinction and all you can talk about is the money and fairy tales of eternal economic growth how dare you reporter: nuclear talks with north korea are another key international issue with president trump. late tonight he s suggesting the door is open to a possible third summit with kim jong-un despite the recent short-range missile tests. lester hallie jackson, thank you. the murder trial began for a former dallas police officer who shot and killed her unarmed neighbor in his apartment. with the defense team saying she mistakenly thought he had broken into hers. let s get more from gabe gutierrez. reporter: today amber guyger walked into a dallas courtroom where prosecutors began laying out their murder case. amber guyger shot an unarmed man in his home, who was doing no harm to anybody reporter: the former police officer is accused of shooting
13 1/2 hour shift, amber guyger didn t have plans to go home, crash and just take it easy. reporter: today john s sister took the stand. i miss him every single day being in dallas is hard that he s not here. i miss him reporter: if convicted, amber guyger faces up to life in prison gabe gutierrez, nbc news. there s word tonight of another death linked to e-cigarettes now nine people have died from vap-related ulnesses across the country. the latest death involves a man over 50 in kansas that also had underlying health conditions officials say. the cdc reports 530 cases of vaping-related illnesses in 38 following a massive efforttt over the weekend and strande vacationers all over the world, including some here in the u.s here is nbc s tom costello. reporter: from the u.k. to e vacationers and honeymooners spent today standing in long lines with few answers.