Transcript for Greg Gianforte wins Montana special election day after assault charge

Montana special election results coming in overnight and the Republican candidate for congress who's been charged with assaulting a reporter throwing him to the ground has won. Overnight he spoke out about the confrontation and ABC's Clayton Sandell is in Bozeman, Montana, with much more. Hey, Clayton. Reporter: Hey, David, there were big questions about whether that explosive recording was going to affect the race here but this morning, Montana voters have spoken. This morning, Montana Republican Greg gianforte is set to become the newest member of congress. Tonight we won a victory for all montanans. Reporter: His victory speech just 24 hours after allegedly assaulting "Guardian" reporter Ben Jacobs who asked a question about health care and recorded this response. Sick and tired of you guys. The last time you came in here you did the same thing. Get the hell out of here. Skwooez. Get the hell out of here. The last guy did the same thing. You with "The guardian"? Yes, and you just broke my glasses. The last guy did the same thing. Reporter: Gianforte's campaign originally gamed Jacobs saying the reporter acted aggressively disputed by a fox News crew that saw the whole thing. When gianforte grabbed him by the neck, both hands, slid him to the side, body-slammed him and then got on top of him and started punching and then yelling at him. Reporter: The sheriff charged gianforte a former software executive with assault. House speaker Paul Ryan called for an apology and overnight -- When you make a mistake, you have to own up to it. Reporter: Gianforte fell on his sword. I should not have treated that reporter that way and for that, I'm sorry, Mr. Ben Jacobs. Reporter: So far Jacobs has not responded to that apology. Gianforte will soon be headed to congress but first he'll be headed to court. By June 7th to face that assault charge.

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