record things that indicate that the whole thing only took a matter of minutes. it may volume taken two minutes to kill 20 little kids in a kindergarten classroom. six adults and for the gunman to turn the gun on himself. nbc news has confirmed that adam lanza did try to buy a gun three days before this terrible massacre. but he was refused and instead as we have been reporting all along, he used guns that belonged to his mother. now, his aunt who was interviewed by a local tv station in north carolina says that the mother was something of a survivalist. she feared economic collapse and two sources have told nbc news that he was at least for a time home schooled. this is someone whose description fits so closely to other shooters that we have heard about in previous mass shootings. that he was a loner. many people thought he was intelligent and his brother told