this is "nightline." >> tonight, fighting words. president trump fires back at his fired aideomarosa. she says he's a racist. he's tweeting insults calling her a dog. >> why did he hire her? why did he hire somebody he'd w low-life? >> the president wanted to give >> the trump team taking legal action, omarosa vowing she won't be bullied by the president. clergy accused of abusing more than 1,000 victims. >> priests were raping young boys and girls. >> alleged abuse of hundreds of priests hidden for decades. why justice may never be served.

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good evening. thanks for joining us. the feud between president trump and his fired aide omarosa boiling over beyond the ugly public spectacle, escalating in a series of tweets, insults and threats, raising the stakes. now the president's campaign is taking legal action. here's abc's chief national affairs correspondent tom llamas. >> i hadea hrd publication of t book? >> absolutely. >> you know it exists? >> i know it exists. >> reporter: the feud between president trump and former white house adviser omarosa manigault-newman exploding. on a press tour for her new book, omarosa alleging there is a tape of the president using the "n" word. >> he is truly a.stci serious da from what she told our deborah roberts last year. >> do you think this president is racist? >> absolutely not. i would never sit nor work for someone who i believe to be a racist. >> reporter: now president trump's campaign wants to take her to court.

>> they were encouraging the president to not engage on this. of course that's the first sign we know for the. >> the to jump right? >> reporter: the president launching a vicious counterattack, calling his former adviser a crazed crying lowlife, adding good work by general kelly for quickly firing that dog. >> regardless of what you think about omarosa, regardless what you think about donald trump, this is a question of what is outside the boundaries of civil and respectful speech, it's about what becomes msisracist. >> is this any way for the president to talk about any american, let alone somebody he hired and made the highest afri in his white house? >> i think the president is certainly voicing his frustration w theacthatit this person has shown a complete hack of integrity. >> why did he hire somebody he's describing as a dog, a lowlife? >> the president wanted to give her a chance. >> reporter: in interviews omarosa revealing her secret recordings from inside the white house and the campaign. first to nbc.

>> omarosa, what's going on? i just saw on the news that you're thinking about leaving. what happened? >> reporter: just yesterday releasing what she claims to be the president calling her the day after she was fired. >> general kelly came to me and said that you guys wanted me to leave. >> no, nobody even told me about it. >> wow. >> reporter: and this, allegedly the moment she was let go by general kelly inside the situation room. >> we've got to talk to you about leavingere are pretty sig legal issues that we hope don't develop into something that will make it ugly for you. >> is the president aware of what's going on? >> let's not go down that road, this is a nonnegotiable discussion. >> any time somebody is violating the trust of the wiest wing, especially bringing a recording device into those secret room, that is a huge violation of trust. >> reporter: omarosa's new book

"unhinged" full ogatifs, in man vicious swipe at the president and administration she used to work for. a total 180. >> i say donald, you say donald! >> it's hard to be sympathetic given theme tetahe srsnt percent defense of trump against all evidence to the contrary. >> reporter: the book is filled with alleged most serious being a recording she says from an outtake of "the apprentice" where the president allegedly uses the "n" word as proof the tape exists she cites renowned pollster frank luntz. >> i'm in the center of a scandal whether or not the president used the "n" word. >> reporter: he says he was never contacted by it's a complete lie. >> i still can't understand why she didn't call or text or e-mail. it's part of what's wrong. the people are free to make any accusations without any kind of idevce omarosa releasing this recording to cbs. she says it's campaign aides, all who are afn-cariiceram whet

president had been caught on tape using the "n" word. >> i'm trying to find out at least the context it was used in. to help us maybe try toigouay t >> reporter: another aide says she asked the president about it. >> i said, well, sir, can you think of any time that this might have happened? and he said no. >> well, that's not true, so -- >> he goes, how do you think i should handle it? and i told him exactly what you just said, omarosa, well, it depends on what scenario you're talking about. and he said, well, why don't you just go ahead and put it to bed? >> he said it. he said it, he's embarrassed. >> reporter: omarosa delving into thepr sidhe beselieves the lady is counting every minute until he is out of office and she can divorce him.in lady said she rarely interacted with manigault-newman, adding it's in such a self-serving way. >> omarosa's loyalty is to

herself. beloves her to write a salacious book like this because she is fueled by the attention. >> reporter: t h long, complst'd history with donald trump. once portrayed as the villain on his reality tv show "the apprentice" -- she's called trump a friend ever since he first fireder. h >> omarosa has to go. you're fired. >> reporter: thrust into the nationalum mp. st every criti detractor, will have to bow down to president trump. >> reporter: she parlayed that success into a job with her old boss, becoming the white house director of communications for the office of public liaison, one of the highest-paid white house staffers, bringing in nearly $180,000 a year. the public spat between former boss and one-time apprentice fallology the one-year anniversary of the violence in charlottesville. trump's response at the time a

taowe l presidency. >> very nofine people on both sides. >> reporter: this time the president denounced hatee theht washington, d.c. the rally fell flat this year. but while the streets outside the white house this weekend may have reflected an intolerance of racism, the optics inside the white house are raising questions on the president's commitment to diversity. >> who is the most prominent, high-level adviser to the president on this west wing staff right now? >> african-american? >> yes. >> i would say that- well, first of all, you're totally not covering the fact that our secretary of housing and urban development and world-renowned -- >> i'm asking you about the white house staff. i'm asking about the people the president is working with that' >> reporter: omarosa one of the prominent african-americans who suppted um my colleag omarosa after then candidate trump became the gop nominee. >> when you hear donald trump

referred to as a racist which happens not infrequently, what's your response? you know him. thugh adlis, h kwno i know donad trump's heart, i know him as a person. i have to acknowledge he is racial. let me let you know what that means. when he talks about illegal immigrants and they're coming from different countries, that triggers racial reactions from people. because he's talking about racial incidents. but that does not make him a racist. >> reporter: omarosa now claims she had a blind spot when it came to the president and says she was complicit when he delivered racially insensitive remarks and regrets sticking by him. >> in some ways donald trump has muddied the water of our racial discourse in america. but in other ways he's actually at least allowed for her honest and transparent conversation. >> reporter: for "nightline" i'm tom llamas, abc news, new york. up next, what may be the most shocking report yet about abuse by roman catholic clergy in the u.s.

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(sound of footsteps) (sound of car door opening) (car door closes) (sound of engine starting) ♪ ♪ tonight, a new report on child sks abuse by roman catholic clergy is stunning in its scope. a grand jury in pennsylvania spent two years looking into abuse allegations and says since the 1950s, more than 300 priests abused at least 1,000 children, maybe many more. while church leaders covered it up. here's abc's david wright. >> i was groomed. starting young. >> so he would always have his

hands on me. >> reporter: these are just a few of the alleged victims of horrific sexual abuse at the hands of priests in pennsylvania. >> who would have believed me? a priest? in 1948 or '47? would abuse you? or do that? no. never heard of such a thing. because they covered it up. >> reporter: survivors who shared their stories on video and with a pennsylvania grand jury, which spent the past two years investigating the child sexual abuse scandal in six diocese going back decades. >> priests were raping little boys and girls. and the men of god who were responsible for them not only did nothing, they hid it all. for decades. >> reporter: today, surrounded by tearful victims, pennsylvania's attorney general released the grand jury's long-awaited report. over 1,300 blistering pages. perhaps the most detailed and disturbing account to date of

the sexual abuse scandal in the roman catholic church here in the united states. >> predators in every diocese. weaponized the catholic faith and used it as a tool of their abuse. >> reporter: more than 1,000 victims in all, more than 300 priests singled out by name, and dozens of high church officials accused of covering it all up. and this is just one state. >> oceans of secrets were unveiled today in a time capsule with this grand jury report being released in pennsylvania. >> reporter: one priest in harrisburg, father augustin michael gallella allegedly targeted five of eight sisters in one family during the 1980s. a catholic schoolteacher reported the priest after hearing disturbing allegations, the matter quietly. gallella retired voluntarily in 1988 and continued to molest girls into the 1990s, a common

pattern in so many cases, the report says. >> the cover-up was sophisticated. and all the while, church leadership kept records of the abuse. >> reporter: in this case the official in charge was cardinal william koehler, who when he died in am f sexual2017 abuse victims. but the report finds koehler covered up for gallella, a common pattern. >> predator priests were allowed to remain in ministry for 10, 20, 40 years after church leaders learned of the those ye victims got longer and longer. >> reporter: the report cn, dal donald world, former bishop of t vatican but allowed no offenders to quietly transfer rather than face charges. >> if there were allegations, we dealt with them immediately.

>> reporter: he disagrees with some of the findings and defended his record on cbs. >> we're very, very sorry this happened, and that's why we've taken the steps to see that it doesn't go on. >> reporter: the report comes amid a new wave of allegations in the church abuse scandal. earlier this summer world's predecessor, former washington, d.c. cardinal theodore mccarrick, became the highest-ranking u.s. church official to resign in disgrace following allegations that he sexually molested sell fairians decades ago. the story of clerical sexual abuse is not new. but even more than a decade after the "boston globe's" pulitzer prize-winning expose chronicled in the oscar-winning movie "spotlight" -- >> i pull out the 14 most damning docs and attach them to my motion and they prove everything. about the church, about bishops, about law. on t>> atettorepneys whor:is h represented the boston victims. >> what is being reported in pennsylvania right now is

unfortunately the tip of the iceberg. there will be a lot of victims coming forward in the future. >> reporter: father boniface ramsay is one of the whistle blowers who reported mccarrick's behavior in a letter years ago to pope john paul's ambassador in washington. >> i sent the letter and never heard a thing. that was it. i know my letter was received, i sent it registered mail and everything. but i never got a reply, an acknowledgement. i never got an acknowledgement. >> reporter: last month the vatican removed mccarrick from public ministry. pope francis accepted his resignation from the college of cardinals and ordered him to observe a life of prayer and penance in seclusion. mccarrick obeyed but said, i have absolute no recollection of this and believe in my innocence." pennsylvania covered by the grand jury report each issued statements acknowledging it and apologizing. >> and in my own name, and in

the name of my predecessors, we are sorry. i am sorry. >> reporter: the bishop of pittsburgh went on camera. >> there were instances in the past as outlined in this report when the church acted in ways that did not respond effectively to victims the bishop went on to note the church has since implemented reforms designed to prevent anything like this from happening again. attorney mitch garabidean doesn't buy it. >> the church is trying to take a more public relations approach of, oh, we're sorry, we really feel bad for the victims, we failed children, yet they haven't put any safeguards in place. >> almost every instance of child sexual abuse we found is too old to be prosecuted. but not every instance. >> reporter: he did offer victims some comfort.

>> this grand jury report is justice. >> reporter: survivors mike mcdonnell, who was at today's press conference, says it's a start. >> some of the survivors shared with me that they felt like they were going to a funeral today. a funeral of their old self. >> reporter: but he believes sexual abuse in the church is ongoing. >> i believe that the cover-up still exists. >> reporter: for the church, the challenge now is to regain people's trust. >> as i walk the streets in my roman collar, i feel pretty strongly that people are aware and making judgments in their minds about me. >> really? >> i do, i do, yeah. >> even if they don't know you, they judge you by the collar and -- >> very much, yeah. i've had people spit at me. i've had people give me the finger. >> reporter: the church now seeking forgiveness from the mortal sin of harming so many children. i'm david wright for "nightline" in new york. up next, we saw this and

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