this is "nightline." >> tonight, inside the final 30. it's down to the wire. finally, after all the anger, the name-calling, all the jaw-dropping twists, here we are on the eve of the election. >> you can't review 650,000 new e-mails in a day. you can't do it, >> the candidates making their closing arguments, hillary bringing out the big guns. >> get out and vote tomorrow! >> on the front lines as both campaigns scramble to get out the vote. plus swap the vote. feel like your vote is wasted? >> in deep blue or keep red states votes don't matte much. >> there's an app for that. americans exchanging votes with people across the country making their drowned-out hometown voices heard in fierce election battle grounds.

and sign of the times. good electric fences make good neighbors. how one family is using shocking booby traps to keep intruders from capturing their trump flag. first tonight the "nightline 5." >> coke industries started in the heartland. we've expanded to nearly every state. today that's more than 60,000 american jobs. you may not always see our name on the proulks you use. but we help make b clothing, shelter, technologies, and other necessities. here we build on each other's ideas to create more opportunities for people everywhere. together we are coke. >> and number one in just coming

good evening. here we are at the tail end of the nastiest campaign anybody can remember and on the eve of perhaps the most consequential election of our lifetimes. with the polls showing a tight race, it all comes down to getting out the vote. but how do you actually do that? we are on the ground tonight with both sides in our series "inside the final 30." here's abc's david wright. >> reporter: dicksville notch, new hampshire, first to vote in primary season and first today. this time tomorrow, we'll all have followed suit. our long national nightmare -- over? >> we don't have to accept a dark and divisive vision for america. >> reporter: maybe. >> we're winning ohio. we're winning iowa. we're winning, we think, new hampshire. >> reporter: tonight, the candidates are crisscrossing the country. our teams along for the ride.

philadelphia, and then north carolina. >> we're in raleigh, north carolina, about to walk into our second ral live the day. here we go. >> reporter: the campaigns making their case in the states that they hope will put them over the top. >> this is our final day on the campaign plane, we just boarded this morning, we're all getting nostalgia here. >> reporter: one final sprint to the finish. and a chance to get in some last licks. >> she's a cheat. she is a she never reported it. she's a cheat. >> reporter: true to form, this race brought last-minute surprises down to the wire. including one final twist to the fbi's review of hillary clinton's e-mails. >> the fbi sent a letter to congress. it said it had reviewed a large number of e-mails and "based on our review, we have not changed our conclusions that we expressed in july with respect to secretary clinton." in other words, remember that e-mail investigation we reopened? never mind about that. >> reporter: trump is now back

>> so totally rigged system. i've been saying it for a long time. you can't review 650,000 new e-mails in a day. >> our sources are telling us at abc, the fbi used computer programs and found that the e-mails between huma abedin and hillary clinton were duplicates. >> reporter: now it's all down to the ground game. >> hi. i am looking for teresa diaz. >> reporter: convincing the voters to do their in phoenix, andrew nystead spent the past month knocking on doors and he was out today. >> i took a few days off work to focus on this. >> reporter: if there's no answer, he leaves his calling card. >> being the last day, every second is precious. so you can't wait around too long for them to come to the door. >> reporter: others are manning the phones. >> hi name's diana, a volunteer with the arizona republican party, how are you? >> reporter: diana brest

>> make america great, thank you, spread the word. >> reporter: that checklist all the trump votes she's logged today. >> over 200. >> you're a busy woman. >> yes. >> are you convincing them? >> yes. some of them don't even know election day is tomorrow. >> what? >> yes. can you believe that? >> that's shocking. >> reporter: douglas greg has is having trouble keeping his emotions in check. >> it's for my grandchildren. oh, wow. >> you feel that strongly? >> oh, do i. we have been abused, i'm telling you. >> reporter: the stakes are that high for him. >> campaigning is only part of how you win an election. the get out the vote operation, the door-knocking, and on election day having the machine on the ground to give rides to voters who may need it, that's traditionally how these races are won or lost in critical battleground states. >> reporter: new york city this weekend, a road trip for dozens of clinton volunteers.

packed onto a bus, foot soldiers in this ground war. >> we're going to beat trump, yes. we're going to have our volunteers hand out some of the scripts. >> not medical rise it word for word but know what i'm saying. >> all right, let's do it. >> reporter: chris danner and kelly stewart are not from philly. >> we're out here for the hillary campaign. >> hillary. >> yeah, awesome, that's the first question. >> checking in with everyone. making sure that they're all set for tuesday. >> reporter: they don't get to vote in a battleground. but they're hoping to make a difference by showing up here. >> there's nothing really to do in new york right now. i mean, other than sit on your phone and stress out and freak out. here there's a ground game. and the votes matter. >> that way? >> two blocks.

going on and you want to be a part of it. >> reporter: now in north carolina, a different brand of ride-along. >> we're on the trump train, baby. >> reporter: these folks are with the great america pac. >> florida's going to be close but he's going to take it. >> reporter: they call themselves donald trump dignitaries. jesse jane duff, retired u.s. marine corps gunery sergeant. >> we know he's going to win. america's fed up. the clintons are the past, trump is the future. >> this is actually tide watch. >> reporter: dorothy woo s.e.a.l. killed in benghazi -- >> i hope they will take my experience and make their own decision about why she cannot be commander in chief. >> reporter: david clark jr., a sheriff in milwaukee county. >> donald trump's not beholden to anybody. when he goes to washington, d.c. he's not going to owe anybody anything. >> reporter: it's not always a friendly reaction. >> that mercedes, two up. he just shot me a bird out his window. out his sun roof. there he goes.

to clemmons, north carolina. >> trump, trump, trump, trump! >> reporter: all those people gathered for an event with the trump dignity tears the featured attraction. >> we've got to push on now to get trump across the finish line! >> reporter: the enthusiasm here palpable. the dignitaries sign autographs -- >> i love your hat. and you even look better in it. >> reporter: and give smooches to trump supporters. anything >> excited for tuesday? >> reporter: inside the event, one of our new friends turns on us. >> people are learning to rely on things other than just abc, nbc, and cbs. and i really don't want to make my friend from abc feel uncomfortable but the fact is the country is changing and the tide's turning. >> reporter: crowd certainly turning on our producer. >> abc is crooked!

>> reporter: as we get back on the bus, we're all friends again. >> when i come here, it just touches my heart to see such enthusiasm. >> reporter: this long journey is almost over now. for the candidates too. tonight on his plane, mike pence was wistful. >> when i think of this journey i think of long days and short runways. by god's grace, we're come together end of an extraordinary experience. >> reporter: will the nation be happy where we end up? back in arizon has a few more doors to knock on. >> do you feel like this is a big turning point? >> i do. >> in the country? >> yeah, i really do. >> either way? >> yeah. it's a huge turning point. this is like 1776 or the civil war or something, you know, along that magnitude. i'm not saying the world's going to explode tomorrow or anything. but the ramifications of tomorrow will definitely be felt for a long time either way. >> reporter: tonight in dicksville notch, they've already counted the early

else will have their day. i'm david wright for "nightline" in phoenix. next, when social media and a heated election combine. the new app that allows something called vote-swapping. is this even legal? later, a family going to shocking lengths to deter the theft of their trump signs. simulation initiated. [beeping] take on any galaxy with a car that could stop for you. simulation complete. the new nissan rogue. rogue one: a star wars story. in theaters december 16th. i struggle with bipolar depression, and it's hard.

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you can think of it as sort of a tinder for the election. there's an app that allows you to ekt did with people in other states and swap your votes. is that even legal? here's abc's terry moran with more of our series "inside the final 30." >> get out and vote! >> >> reporter: in the home stretch of what's become a razor-thin election, both campaigns are out in full force. their message? every vote counts. >> are you going to vote? >> yes, i am. >> reporter: a message cecil weeks has taken to heart in a surprising way. >> who are you going to vote for? >> jill stein. >> do you support jill stein? >> i support hillary. >> reporter: cecil is putting democracy's most precious gift, his vote, in the hands of a complete stranger.

stein? >> i can help third-party supporters legitimize third parties by voting for their candidate in my safe blue state of new york, and they can help me out in a swing state and vote for hillary clinton. >> good spirit and trust? >> reporter: it's called vote swapping with the help of an app called #nevertrump, cecil will vote for jill stein in new york, his swap partner says she'll vote for clinton in arizona. >> i feel like i'm making a bigger new york. >> reporter: for the race for the white house neck and neck in some states -- >> a four-point race -- >> reporter: third-party candidates have the potential to sway the outcome. and so vote-swapping options like never trump, trump traders.org, and vote pact.org, help some voters redefine how their vote counts. >> you don't have to worry about the fact that your third-party vote in a swing state could make trump up to date. you get to have your vote

another vote ensuring a trump win doesn't happen. >> reporter: the never trump app is the brain child of silicon valley ceo ahmed kumar. despite the name of the app, he says it's more about the democratic process than the democratic kab ic candidate. >> people in deep blue or deep red states realize their votes don't matter as much. if there's a way for you to have that vote count, the participation rate, the citizenship, will be more activated. >> reporter: it might seem hard to believe, actually legal. >> voes-pairing is perfectly constitutional and legal and it's heartland first amendment expression. >> reporter: it's not a new idea. maryland state senator jamie ras kin proposed vote swapping in 2000 to help green party candidate ralph nader get enough of the popular vote without taking votes from al gore. >> i was trying to figure out a way that progressives could get behind al gore and give him votes where he needed them, but

in safe red states. >> reporter: vote-swapping websites popped up but they were called into question. >> a number of republican secretaries of state and attorneys general sent threat letters to the operators of the websites saying that they were engaged in an illegal vote-buying conspiracy. which was ridiculous. they shut the websites down. >> reporter: but a lawsuit followed and finally, in 2007, it was decided that vote-trading is totally kosher, as long as money or anything else of value trades hands. >> a lot of talk about how ralph nader might do -- >> reporter: the so-called nader effect, when just a few votes for a third-party candidate can make a difference, had already happened. >> let's talk about that extremely tight 2000 election and how vote-swapping could have impacted the race. bush, gore, nader. in florida only 537 votes separate al gore and george bush in the state of florida.

blue state, al gore could have possibly won florida and then the presidency. >> reporter: not wanting to repeat the past has brought new jerseyen joel and floridian carrington together. joel, a hillary supporter, is writing in bernie sanders for carrington. in turn, she votes for clinton. >> it seemed like it would give me a way to still allow my voice to be heard. but in a different state. and at the same time prevent trump from taking florida. on the honor code and a little investigative work. >> i looked at joel's facebook. i saw that he was a real person. i saw he had anti-trump posts. he was pretty liberal. and i decided, okay, this guy's the real thing, he's not going to screw me over and vote for trump. >> so you guys have established trust here in a nasty campaign, it's actually kind of refreshing. >> it's definitely an honor system. >> it's totally legit. it's not illegal.

the years. >> right. >> reporter: do you feel like you're gaming this a little bit? >> i could see how people would take it that way. but personally, i jus feel that i'm using my vote the way it was intended to be used. >> we can make history. >> reporter: can vote-swapping really affect the outcome of the election? >> we have to remember it's a very small percentage of the public engaged in this kind of voting behavior. but if the race is as tight as some and third-party voters could absolutely impact this election. >> reporter: still, a lot of people don't know vote-swapping is a thing. >> i don't really understand how it could possibly work. >> reporter: and others see it as a way just to game the system. >> your vote is your vote. that's your vote. and that should be your vote, not somebody else's vote. >> reporter: but if cecil's any indicator, technology and democracy will likely only continue to collide.

best. i think it's a really nice way to work things when you feel like your options are limited. >> if hillary clinton wins arizona by one vote, we're going to do an interview. >> i'm sure there's lots of people coming to see me. >> reporter: for "nightline" i'm terry moran in new york. next, a trump-loving family setting up a rigged system in their own front yard. shocking anybody who would steal their trump signs. ? my hero zero. ? ? such a funny little hero ? ? but till you came along ? ? we counted on our fingers and toes ? ? now you're here to stay ? ? and nobody really knows... ? zero really can be a hero. get zero down, zero deposit, zero due at signing, and zero first month's payment... ...on select volkswagen models. right now at the volkswagen

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with all of the shenanigans danny tarkanian's pulled in nevada -- helping set up fake charities used to scam nevada seniors, failing to pay thousands in property taxes, losing $17 million in a failed development scheme, then sticking taxpayers with the bill --

in washington. it's why we can't afford tarkanian in congress, ever.

? ? lookin' out on the morning rain ? ? i used to feel so uninspired ? ? and when i knew i had to face another day ? ? lord, it made me feel so tired ? ? before the day i met you, life was so unkind ? ? you're the key to my piece of mind ? donald trump: she ate like a pig. does she have a fat ass? absolutely. boob job is terrible. she's a slob. lips are too big, solid 4.

sted is very hard to be a 10. i moved on her like a b****. priorities usa action is responsible for the content of this advertising. finally tonight, how far will one its trump signs? more of our series "inside the final 30." >> these presidential campaigns have been throwing a lot the dirt -- >> reporter: from corn country to the u.s./mexico border, abc's michael koenig taking the election cycle literally, cycling 1,000 miles across the country. on this new jersey pit stop, he met one family taking extreme measures to protect their trump sign. >> it started out with one sign.

them stolen. >> you created a huge fence? >> we started with a smaller one that people were crushing with the signs in it and stealing the signs. and we installed a camera, got a couple of pictures of people. >> reporter: eventually they added this electrified fence. >> if they even touch the sign they're going to get zapped. >> reporter: their son says he witnessed a thief. >> he stopped in front of the sign, got out of the truck, got the sign and drove away. >> reporter: in texas -- ? in michigan -- it's hillary clinton signs as well. >> i think the amount of yard signs being stolen is reflective of the amount of enthusiasm that's out there. >> reporter: back in new jersey -- >> what do your neighbors think of this? >> i spoke to one guy, a little bit of a liberal. i said we have our trump signs in a dog pen and he said, that's where they belong. >> let's hope all the signs can stick around a few more hours until election day.

sanity as you can muster over the next 24 hours. thank you for watching abc news tonight. keep it here on abc. we'll be live all night tomorrow night with all of the latest election coverage. thanks again for watching and good night. now on "celebrity page" tv, there's a new power couple in hollywood. we've got the latest details on jennifer lawrence and director darren aronofsky. her mariah carey, single. why does she still have that ring? >> my gosh. >> latest on the split from fiance james packer. then chrissy teigen's son on

>> what mistake has john legend apologizing years later. >> bruno mars takes on adelle. singer covering one of the hits and sounding good doing it. >> love you adelle. big stars, big hollywood, "celebrity page" tv. starts now. >> i'm sonia isabelle coming from the "celebrity page" studio and jaymes vaughan is out on the phillippe about his new usa show "shooter." >> i caught up with the actor when usa network teamed up to show the party. >> can't wait. thanks but first. hollywood wrap. jennifer lawrence secondhand darren aronofsky confirmed.