The cnn newsroom starts right now. We begin in northern ireland. The killing of a Young Journalist and a Major Development in that case, police have are arrested two men, the two, 18 and 19 years old, under the terrorism act. The slain journalist was shot while standing near a Police Vehicle during a riot in londonderry. It happened as the world remembers the good friday agreement that brought peace to northern ireland. Following the story, Nic Robertson is live in londonderry. What more are you learning from investigators . Reporter well, the police have taken those two young men to the Police Central headquarters in belfast for questioning. The police had initially appealed for anyone who had seen what had happened. There was Video Evidence of the gunman walking up and shooting towards the police. The police had access to that video, the police asked for anyone else with are information to come forward. It is not clear precisely what led them to arrest these two men and it is worth cautioning that in previous attacks earlier in the year, that the police did arrest very quickly a number of people and those people were subsequently let go. But what is very clear in this community in northern ire lalan and across the world, the killing has caused a moment of concern and a moment of unity. Even president bill clinton has tweeted about it. Where she was killed, a shrine is growing. Flowers left clustered around a lamp post as cleanup trucks do their best to sweep the murder from their streets. Not in our name, everyone here united in grief and shock at lyras murder. The senseless murder has left a family without a beloved daughter, sister, aunt, a great aunt, has left so many friends without their confidant. Reporter mckee had been covering rioting in the catholic neighborhood of derry. Police had raided a house, local youth gathered throwing petro bombs and fire crackers at their armored vehicles. Mckee highlighted in this police video was standing near their vehicles. She had tweeted derry tonight, absolute madness. In the melee, a gunman can clearly be seen shooting at the police. Mckee was hit. She was taken away from the scene to the hospital, but unfortunately she has died. She was a rareity here. Well respected, an lgbt advocate, she reached across divides. In an incredibly rare act of unity, northern irelands pro british and pro irish politicians issued a joint statement. Lyras murder was also an attack on the people of this community, an attack on the peace and democratic process. We are united in rejecting those responsible for this heinous crime. U. S. House Speaker Nancy Pelosi who visited the town earlier in the day joined in condemning mckees killing. And of course to extend the deepest sympathies and sadness to the family on this good friday. Reporter a terrible irony, that she was killed 21 years after the good friday Peace Agreement was signed. Mckee would have been eight years old then. The peace that ended three decades of sectarian blood shed was intended to give her generation a chance to shine. She did. And that is the tragedy. Our hopes and dreams and all of her amazing potential was snuffed out in a single bearbarc act. Her death cannot be in vein because her life was a light in everyone elses life and her legacy will live on. Reporter in this town where in the past you could see support for groups like the dissident republicans who Police Believe may be behind the murder, you are already seeing some of their pro ira graffiti being painted other where it said unfinished struggle, it now says finished 2019, which gives you a real sense that many people in the community here who already wanted nothing to do with the terrorist organization are making it very clear this is not a place for a them. And to that point, how else are people there in that community in derry, how are they remembering mckee . Reporter they are remembering her as somebody who had a real talent, you know, who grew out of the community, who was able to take advantage of the last 20 or 10 years of peace. But there has been an undercurrent here, particularly in londonderry. Daierry and a couple other city groups like the new ira have begun to find their feet, if you will. The way groups like this can operate in a city like this and pull off attacks like this is to have what people call safe house, houses where people will take them in and give them shelter, you know, when they are in the middle of some military type or other sort of operation. The way that it is effecting people in the community here, one person i talked to here said told me that there will be no more safe houses for them around here. Not in our name as it says on the memorial to her where she was murdered. So i think the way that it is affecting people here, it is a terrible reminder of something no one here wants to see a return to violence. And if you will, it reaffirms peoples belief that groups like the new ira should not be allowed to get ahead of steam. But the question is how do you stop them, how do you tackle them. The British Intelligence services have an incredibly deep penetration in the communities here, so do the security services. Yet still the groups are able to get by. Nic robertson following the story, thank you for the update. Now to the Mueller Report, the u. S. President says it is time to move on. But democrats seizing on the details of that report see new openings to further investigate mr. Trump, some are even calling for impeachment. Their first action, to get the full version of the special counsels report into russian meddling in the 2016 election. Not redancted swrergversion tha just got. Next, they want Robert Mueller to testify before congress. Manu raju explains what they might do next. Reporter democrats a new phase in their push to aided by the Mueller Report detailing trumps efforts to thwart the probe. First, they issued a subpoena to the Justice Department demanding the full Mueller Report and underlying evidence b may democ issue subpoenas for records from five former white house officials, including former White House Counsel Don Mcgahn who was ordered by trump to fire mueller and disobeyed the president s demands. Democrats say the Mueller Report gives them a roadmap to investigate the president for obstruction since it states that congress may apply the obstruction laws to the president s corrupt exercise of the powers of office. And that it accords with our constitutional system of checks and balances and the principle that no person is above the law. But republicans said it is time to move on. Frustration is not obstruction. I think for those who are pursuing this, i think the American People are exhausted by it. Reporter the Mueller Report also suggests the probe did not dive into the president s finances. An area the house intelligence chairman adam schiff wants to investigate to determine whether the president has any financial ties to foreign interests. Yet some democrats are trying to tamp down calls from the left to pursue impeachment proceedings saying they ultimately will be unsuccessful because of gop oppositi opposition. We need to see that the republicans have an open mind about the situation rather than acting like a religious cult. Reporter if Top Democrats are route of impeachment, Elizabeth Warren made very clear that she believes that impeachment proceedings should begin in the house. She argued in a series of tweets that there is ample evidence to begin impeachment proceedings, but jerry nadler says that the goal right now is not to debate articles of impeachment, but to understand who did what when as part of his investigation into potential obstruction of justice. Whaend ask and when asked if he is willing to open up impeachment proceedings, he says not now but they could go down that route once their investigation concludes. Manu raju, cnn, capitol hill. Some of the president s republican ale lies clalies cli Mueller Report exonerates mr. Trump. One prominent senator however who is a frequent critic is speaking out against him. Mitt romney writes this in a statement, im september and p extent and pervasiveness of mishonesty and misdirection by individuals in the highest office of the land including the president. The report reinforced and documented the number of statements coming from the president and his staff that simply are not true. For his part mr. Trump has ramped up his attacks against what he called the crazy Mueller Report. Kaitlan collins has this from the white house. It was a complete and total exoneration. Reporter from total exoneration to total bs. President trump changing his tune on the special counsels report one day after its release. Tweeting that statements made about me by certain people in the crazy Mueller Report in itself written by 18 angry democrat trump haters which are fabricated and totally untrue. The president adding a warning to watch out for people that take socalled notes when the notes never existed until needed. Because i never agreed to testify, it was not necessary for me to respond to statements made in the report about me. Some of which are total bs. The president didnt use that shorthand, but at the eye of his tweetstorm, dorn don mcgahn, w according to the report took detailed notes including one where he asked why do you take notes. Lawyers dont take notes. Mcgahn responded that it is because he is a real lawyer with a legal responsibility to keep an accurate record. Trump responded ive had a lot of great lawyers like roy kohn. He did not take notes. The report details a troubled relationship between mcgahn and trump, but reveals the former white house lawyer was a major player in stopping the president from influencing the investigation. Potentially protecting him from an obstruction charge. The report reveals a president who lied often to the public and his own staff. What youre seeing and what you are reading is not what is happening. Reporter including claiming he never tried to fire mueller, which the report says that he did. Are you going to fire Robert Mueller . Fake news. Typical New York Times fake story. Reporter he claimed he wasnt pursuing business in russia, but the report says he was. I promise you i never made i dont have any deals with russia. Reporter he insisted he knew nothing about wikileaks. Though the report says that he directed Campaign Associates to find Hillary Clintons deleted emails. I know nothing about wikileaks. Reporter but the dishonesty from the white house didnt stop there. Press secretary Sarah Sanders now under fire after admitting to investigators that she wasnt basing this claim on anything. So what is your response to these rank and file fbi agents who disagree with your contention that they lost faith in director look, weve heard from countless members of the fbi that say very different things. Reporter sanders defended making false statements to reporters. Im sorry that i wasnt a robot like the Democrat Party that went out for 2 1 2 years and stated time and time again that there was definitely russian collusion between the president and his campaign. Reporter sanders characterized that as a slip of the tongue even though it was a comment she made multiple times over the course of that period. She was asked in another interview if the president had ever directed her to lie. She said no and that he had also never instructed theyre breher the law. Kaitlan collins, cnn, the white house. Lets talk about all of this now with that tasha natasha lindstaedt. It comes down to this fundamental question. How much do voters really care about the details that are in this report and democrats find themselves at a pivotal point, do they pursue the path of impeachment as some are calling for or do they focus on 2020, the issues that will be key to the president ial race ahead . Well, the initial reaction from democratic voters and Republican Voters is actually predictable. Republicans think this was a complete waste of time. They are not convinced that the report released any new for are that is particularly damning of the president. And they probably think that donald trump is correct to be upset about this, to think that it was a witchhunt and trump of course will use this in 2020 to rile up republicans about the huge waste of time and money of the Mueller Report. The democrats will have a completely response to this, they feel that they have had a complete loss of trust in trump, that some criminality had taken place, definitely obstruction of justice had taken place, they feel frustrated, they are hoping that there will be more investigations coming from House Democrats about trumps behavior. And in terms of what the Democratic Congress people are going to do, it looks like the lower members of the house want to impeach trump. Feel very, very adamant that he needs to be impeached. But the senior members of the house are exercising more caution because this could backfire because it is not that the entire American Public is in agreement about trumps obstruction of justice, whether or not he obstructed justice. And they feel if they go after him too hard without really laying out a convincing case where everybody can agree upon this, that this will backfire for them in 2020. With regards to continuing investigations, democrats do want to see more of that report given the subpoena that was filed recently. The doj calling that premature. What are your thoughts . Well, they want to see the entire report because some of it had been redacted. And they also feel that the report seems to be providing a lot of evidence about obstruction of justice. Now, on the issue of conspiracy or collusion, it was inconclusive. But on the issue of obstruction of justice, from the democrats standpoint, it looks like obstruction of justice did take place, in particular the revelations of President Trump ordering his counsel don mcgahn to have Rod Rosenstein possibly fire mueller and then telling him to lie about it and then also wanting to get Jeff Sessions to unrecuse himself. There are other instances as well prior to that that they also want to investigate why he fired comey, him trying to get comey to go easier on michael flynn. These are all instances that they feel need to be further investigated and therefore they need to speak to mueller, they will need to speak to barr and subpoena the entire report so that they can get a full picture of what exactly too being place. Politic took place. I want your thoughts on the summary of the report where william barr pointed out no collusion, but now that the report is out and it is opening the door to many other questions that go beyond barrs summary. How does he come out looking from all of this . Probably depends on who you are asking. But from my standpoint, he doesnt look particularly very good because the summary didnt match the report. It was a very far cry from the report. The way he had been speaking about trump, he sounds like he is trumps own personal attorney. He doesnt sound like he is the attorney general for the nation. He sounds like he is trying to advocate on behalf of trump. And the way that he summarized the report initially, it sounded like there was absolutely no evidence of collusion and just sort of some questions about the case of obstruction of justice. When we see the redacted version of the report, it look to be that the question of collusion or conspiracy just couldnt be proven and that obstruction of justice, there was a lot of evidence of obstruction of justice. And so there were questions about barr coming back and the fact that he had september trump this long memo about his feelings about the Mueller Report, but hes come across as even more biased than people initially suspected. Innatasha lindstaedt, thank you. Still ahead here, yellow vest protestors are preparing for another weekend of rallies across france. Ahead, why many are upset about donations to rebuild notre dame cathedral. Plus the turpin parents found guilty of torturing their children for year, they have been sentenced. 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