interfering in the 2016 presidential election, and he has obtained guilty pleas from five people for various charges, including michael flynn, president trump s first national security adviser, and rick gates, the former deputy chairman of the trump campaign. what s more, there is no sign that mueller s investigation is coming to a close. here is cnn s gloria borger with the first of a two-part profile of a man who once headed the fbi. reporter: special counsel robert mueller is a mystery man, perhaps the most private public figure in washington. but as the leader of the russia investigation, he s also at political ground zero. i think the public trust in this whole thing is gone. reporter: and in the sights of a president who wants him fired. last june the president ordered the firing of special counsel robert mueller, backed down after the white house counsel threatened to quit. reporter: putting mueller in the bizarre position of investigating whether the president tried t
gloria borger, takes an in-depth look at the man behind one of the most important and polarizing investigations in modern political history. special counsel robert mueller is a mystery man. perhaps the most private public figure in washington. but as the leader of the russia investigation, he s also a political ground zero. i think the public trust in this whole thing is gone. reporter: and in the sights of a president who wanted him fire. last june, the president ordered the firing of special counsel robert mueller, backed down after the white house counsel threatened to quit. reporter: putting mueller in the bizarre position of investigating whether the president tried to fire him. but you ll never hear about it from mueller. i mean, this is someone who has turned down more press conferences and interviews than most people in washington ever go get the chance to give. he doesn t really like talking about himself. he doesn t really like speaking
what s going on today? what do you got? i want to hear what the facts are. let s talk about it. i never saw any curiousness or nervousness ever. reporter: the pressure is intense but he s seen worse. this is man in his early 20s fought in vietnam. reporter: mueller grew up in the wealthy philadelphia suburbs and attended an elite boarding school, a classmate of john carrie. then to princeton. he was wounded in combat, shot through the leg, received bronze star with valor, purple heart and goes right back in the fight a couple of weeks later. i always consider myself fortunate to have lived through the war in vietnam, and there
three other broward county sheriff s deputies were also outside that school building. they didn t go inside thatch they were hiding behind their cars. it s important to note we don t know if the school shooter was still inside, but we do know they never entered the building, those other deputies. this is coming from sources at the coral springs police department, and we should point out it was the coral springs officers who were first to go inside that building. and you also have new reporting about the tip the fbi received before the shooting. reporter: yeah, this was a major red flag that went nowhere. that came in january 5th, and this tipster who called in it warning the fbi that the teen was about to explode or close to exploding. the female tipster spoke of his social media posts, his enjoyment of guns, his violence
troubling new questions at the very least about the immediate response to the parkened shooting. that s on top top of the broward county deputy resources officers who did not rush into the building while 17 people were being murdered. with all the mixed signals and flags and all the rest, about the three still hospitalized, there is this. the deputy who left his job allegedly had company outside the school. the very latest now from our randy kaye who joins us from parkland. you have new details, three additional ones that did not enter the school. what can you tell us? reporter: well, john, first i can tell you at least the one armed broward county sheriff s deputy scott pederson stayed outside that school even though he knew there was an active shooter inside that school. deputy pederson was outside that school building for about four minutes. the school shooting took about six minutes in all.