The stunning discovery in space. Tonight, seven earthsized planets all orbiting a nearby star, and what else they have now revealed. Good evening, and its great to have you with us here on a wednesday night, and we begin tonight with americans across this country determined to have their voices heard, and their target, members of Congress Home for break. What they are getting instead is an earful. Some voters angry with President Trump. Others demanding more from congress. This town meeting in iowa, with senator joni ernst is one of many. Voters are demanding to know what is the replacement for obamacare if it goes. Others investigating who is investigating russias meddling, and voters putting these missing signs on milk cartons to call them out. Tonight t white house is calling some of these voters professional protesters. President trump with a different description. Abcs matt gutman leading us off. Reporter across the nation, scenes like this. Reporter so constituents decided to sho
she s a hero because she had the presence of mind. she didn t feel comfortable about something, and she turned on her video camera. reporter: earlier, libby snapchatting this picture of her friend, abby, on a railroad bridge near the trail. authorities now hoping libby s valiant effort to record her alleged killer down the hill. down the hill. reporter: will lead to a tip and an arrest. you see, even with technology, we need human intelligence. in other words, we need you. reporter: and david, there are now flowers, a makeshift memorial here at the bridge. investigators say they are analyzing more video and evidence from libby s phone. david? alex perez tonight. thank you, alex. to california this evening where there s an investigation tonight after authorities say an off-duty police officer fired his weapon during a confrontation with a group of teens. and the video here and what led to that moment. it s part of the investigation, and here s abc s kayna whitworth.