of hes and applause] this is "nightline." tonight, shot in the dark. >> shot someone? >> yes, i thought it was my amount. >> the newly-released 911 audio, moments after an off-duty officer walks into an apartment and kills the man inside. now in her own words. >> oh, my god. i'm sorry. >> the case raising questions about racial profiling, police transparency and deadly force. plus, front runner. joe biden jumping into for an e

interview with our robin roberts. what he is saying about anita hill and allegations from women about inappropriate touching and raining monarchs. what they are telling us about climate change. but first, the "nightline" five.

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good evening. thank you for joining us. the newly-released 911 call. what an off-duty dallas police officer said shortly after shooti audio revealing insight into her thought the and actions. here's marcus moore. >> the breaking headline out of dallas at this iernique case. >> involving an off-duty officer who shot and killed her neighbor in his own apartment. >> reporter: amber guy gger wasn off-duty police officer, arriving home from work. her neighbor, botham jean was in his apartment. what we knew is she went to his apartment. she thought it was hers. when she saw him, she fatally shot him. the yaaftermath of that inciden

caught in this video. now for the first time, we're hearing officer guyger's call. >> i shot a guy, thinking he was in my apartment. >> reporter: an attorney for jean's family listening with us. the audio obtained exclusively by dallas station wfaa. >> all i can imagine is botham on the ground taking his last breath. and that was very difficult for me. >> okay. we have help on the way. i know, but i'm going to lose my job. i thought it was my apartment. >> reporter: in the recording, guyger can be heard growing increasingly distraught. >> oh, my god. i'm done. i didn't mean to. i didn't mean to. i didn't mean to. i'm so sorry. hey, bud. >> reporter: guyger now potentially facing prison time.

jean's family left in anguish. >> she took my life away. like my very own life. >> reporter: while the community grapples with unanswered questions. >> we're still dealing with an america where black people are killed in some of the most arbitrary ways. driving while black, walking while black, and now we have to add living while black. >> reporter: sparking protests over what some say is a lack of transparency coming from the dallas police department in the wake of the shooting. now that 911 call beginning to shed light on what happened that night. botham jean described as a ray of sunshine. >> botham had a love for everything and everyone. so i just want the message of love to permeate throughout this whole process. >> reporter: an active member of the church of christ. ♪ the spirit of the lord

♪ let it rise >> reporter: he was beloved by many. this packed service in his honor shows. >> this person has been on patrol for four years. they have a pretty good idea of how to handle stressful situations at that point. >> reporter: there is nothing to say the two neighbors had a relationship. but on september 6th. after a more than 13-hour shift, guyger, who was off duty arrived back to her apartment building where her and jean's lives would cross in the worst way imaginable. >> she could be running from job to job. that factors in here. >> reporter: guyger lived on the third floor parked on the fourth floor that night. she headed to the apartment directly above her unit, thinking, she said, it was her own. the door, she says, was slightly open. the interior dark.

>> i thought it was my apartment. >> she says that over and over again in this five-minute recording. is that significant to you? >> it's significant to the point that it makes me feel that that call was staged. it makes me feel that she has already spoken with someone. >> reporter: guyfweger still in uniform says she thought she spotted a burglar. she fired two shots, hit being h him in the chest. 20 times she tells the dispatcher she thought the apartment was her own, at one point saying she was tired. >> no, i, [ bleep ]. i'm tired. >> the thing that stands out the very most to me was the fact that when i listen to that call,

not one time did i hear amber guyger say she was in fear of her life. >> reporter: the dallas police department was quick to respond, turning the case over to the state investigator, the texas rangers. >> in order for us to be completely transparent to this community based on the circumstances we have invited the texas rangers to conduct this investigation. >> reporter: but it would be a few days before guyger was identified and arrested for man slaughter. >> the family have many questions for the authorities. the main one being that this police officer should not be given any preferential treatment. >> reporter: as details of that night emerge, protests grew louder, many demanding justice for jean. >> this is a case that raises a lot of sensitive questions. and there's going to be enormous public interest. and consequently, there's more of a desire to get that evidence out faster.

>> reporter: a woman who says she lived in the building and shot this video in the moments after the incident questioned the validity of the officer's story. >> the elevator, garage, hallways, everything is marked with what floor you are on. so she would have passed plenty of indications to let her know she was on the fourth floor. >> reporter: at the same time, the jean family told abc they questioned the statements made in the affidavit. >> independent witnesses have already come forward to say they heard the officer pounding on the door. >> reporter: a grand jury indicted guyger. >> it's possible the grand jury decided on its own, more likely that the prosecutors played a role in moving this from manslaughter to murder. >> reporter: geiger's attorney spoke to the affiliate station last november. >> her actions are justified under the law. so you don't prosecute people that, one, make a mistake, that

don't have a criminal intent to commit a crime. >> reporter: today both parties are under a gag order, barring them from discussing the criminal case. jean's family has also filed a civil lawsuit against the city of dallas and guyger. >> i thought it was my apartment. oh, my god. >> reporter: the chilling audio offers clairity about that night tnow thwer.aves many questions. but one is silenced forever. >> i just want to let people know that botham loved, he didn't even have to know you, he just loved everybody. >> reporter: for "nightline," i'm marcus moore in dallas, texas. >> the trial in this case is expected to start in september. coming up, the former veep trying to make the leap to the top job. the exclusive interview, next. i must admit. i had a few good tricks to help hide my bladder leak pad. like the old tunic tug.

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forheigce, immedia frontunne stat.n anhi wife sitting for an exclusive interview, he opens up about anita hill and allegations of unwanted touching by women. here's abc's robin roberts. >> this is the united states of america! we can do anything! >> former vice president joe biden now officially running for president in 2020. >> you're going to see a whole heck of a lot of me. >> he and his wife jill biden spending time with me yesterday in pittsburgh, pennsylvania and drawing a clear distinction

between himself and president trump. >> everybody knows who donald trump is, and i hope people know who i am. i hope the folks are ready to choose the truth over lies. >> the president has a motto, make america great again. do you have one? >> make america moral again, return to the essence we are. the dignities of our people, treating our people with dignity. >> and that has been the main thrust for you all. >> to bring their country together. >> biden enters the race as the democratic front runner in a deeply-divided nation, and also at a time when america is at a moment of reckoning in treatment of women. and biden has faced scrutiny. >> former vice president joe biden accused of inappropriate touching. >> several women have come forward to say they made him feel uncomfortable and embarrassed. in response, biden releasing this video. >> i always tried to make a human connection, and i get it. i get it. >> reporter: then days later,

biden addressing a predominantly-male crowd seeming to make light of the allegations. >> i just want you to know, i have permission to hug lonnie. >> reporter: some people were wondering if you really get it. >> i really do. here's the deal. i've always thought that part of leadership, part of politics was listening to people, hearing them, making them feel comfortable. it's my responsibility to be more sensitive to whether or not someone wants me to reassure them or wants to say hello or wants to show affection and support, and that's my responsibility. >> but robin, i think what you don't realize is how many people approach joe. one of the things that joe is known for is making connections with people. but going forward, i think he's going to have to be a better judge of when people approach him, how he's going to react, that he maybe shouldn't approach them. >> reporter: and how did you

react when those first accusations were made? >> you know, i've known joe for 44 years, and one of the things i've always admired about him is the way he does connect with people. and in 44 years i, you know, i hadn't heard negative comments, but, now's a different time. women, men are in a different place now. and so we have to, we have to honor that. >> reporter: have you ever experienced a similar situation when a man made you feel uncomfortable by their actions or inappropriate language of any sort? >> yes, it's happened to me. >> reporter: and how did you handle it? >> i just sort of stepped aside. i didn't address it. there was a time when women were afraid to speak out. now, if that same thing happened today, i'd turn around and say what do you think you're doin'. so i think today it's totally different. >> do you swear to tell the truth, the whole truth and nothing but the truth so help you god? >> i do. >> reporter: biden has also been

criticized for his happenedlind anita hill's testimony during the hearing for judge thomas. hill had worked for thomas and accused him of sexual harassment, facing grilling from an all-male senate committee led by biden. >> i was chairman. she did not get a fair hearing. she did not get treated well. that's my responsibility. and i kree committed that i am determined to continue the fight to see to it that we basically change the culture in this country to where a woman is put in a position where she is disbelieved. as the committee chairman, i take responsibility that she did not get treated well. i was able to figure out a way to change t mayit. maybe there's a way to do it. i apologize again. because look, the system did not work. >> reporter: biden says he called hill to apologize a few

days before announcing his run for president. >> i was thank if tful she took call. >> reporter: i cannot be satisfied by simply saying i'm sorry for that. i will be satisfied when i know that there is real change and real accountability and real purpose. >> i went out and campaigned under the condition that they'd come on the judiciary committee. >> reporter: biden also credits hill with igniting the #me too o movement. days into his campaign, biden is already leading in some polls, raising over $6 million on his first day as a candidate. >> this election for president is different. >> reporter: when biden entered the race, president trump tweeted in part, welcome to the race, sleepy joe. i hope you only have the intelligence, long in doubt to wage a successful primary campaign. this is biden's third run for

president. he kicked off his campaign yesterday in pennsylvania. the state where he was born and in which trump narrowly won in 2016. >> i also came here because quite frankly, folks, if i'm going to be able to beat donald trump in 2020, it's going to happen here. president trump has made a lot of promises. and here's the deal. he hasn't developed on anything. >> reporter: what would you say to the trump voter, trump supporter who looks at the economy and sees very strong numbers? here in pennsylvania, where the unemployment is at a record low of 3.9%? >> well, what i'd say is, did you get any benefit from the tax cut? have you really, have your wages really gone up? do your employers treat you with any more respect and dignity than they did before? i know the state pretty well. and the fact of the matter is, they're not getting their fair share. >> reporter: you also have referred to yourself as an

obama-biden democrat. people look at that and say, well, are you running for a third obama term? how would your presidency be substantially different? >> i'm really proud of serving with barak. but look, it's a new time, a new day. >> reporter: donald trump is very confident that should you win the nomination that he could beat you easily. are you as confident that you can win the nomination and defeat him? >> whether i win the nomination or not's going to depend on the democrats, and whether or not i beat donald trump is going to depend on the american people. but as i said, everyone knows who donald trump is. >> i'm >> our thanks to robin. and next, chasing butterflies with the insect inspector. find out what's bugging the planet. rd of care. it's something we take personally, and believe in passionately. it's the idea that if our mothers

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and finally tonight, the signs of spring, the telltale signs of climate change. here's my "nightline" co-anchor, juju chang. >> reporter: phil torres really, really likes insects.

>> meet the giant earthworm. >> reporter: he travels the word encountering some truly jaw-dropping creepy crawlers. >> this is not a stick. it is a stick insect. >> reporter: his love of so strong he allowed a bug to live in his back. right now we chasing butterflies. springtime's prettiest pollinators overlooking sequoia national park. it's part of an three-da series o called "american spring live". >> this is the california buckeye covered in flowers and butterflies. here is where you can practice your swing. >> reporter: first you have to show me how to do it. >> you want your hand out here, a little further. what we're going to do, if you

catch it like this it might fly right out. so you need a little hook at the end. >> reporter: ching how climate change affects the timing of spring. >> there's one here i might be able toorr:e sees first hand the alarming decline in some insect species, especially the iconic monarch butterfly. >> that is the sound of millions of butterflies flying around me right now. >> reporter: they hope to tackle issues threatening nature's delicate balance while encouraging those watching to actively participate. >> our thanks to juju. you can watch juju on assignment on american spring live tomorrow night on pbs. that's "nightline." you can always

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