hallway. and the haunting questions that are now presented by these it tails, by these revelations by law enforcement. could more children have been saved? two teachers and 19 children were killed in all. most no older than 10 years old. as the horror played out inside the school, frantic parents were rushing to the scene desperate to get to their children. watch this . investigators now admit it was the wrong decision for those 19 officers to stay waiting in that hallway and not breach the door of the classroom where the shooter was holed up immediately. meantime we re learning disturbing new details about posts made on social media by the gunman. according to users of the social media app the shooter threatened to rape women and shoot-up schools in the weeks leading up to the massacre. the admission by authorities they made the wrong response to the shooting only adding to the grief and sister-in-lawo of the parents who lost children. for more on the mistakes made and searc
the gunman. according to users of the social media app the shooter threatened to rape women and shoot-up schools in the weeks leading up to the massacre. the admission by authorities they made the wrong response to the shooting only adding to the grief and sister-in-lawo of the parents who lost children. for more on the mistakes made and search for answers let s bring in cnn national correspondent jason carol. he s been with us for several days since the shooting took place. what s the latest on the investigation? reporter: when you talk about mistakes being made, a lot of questions about what went wrong in that classroom, what went wrong outside the classroom in the hallway there. the governor said it was a unmistakable error, that it was inexcusable. he says he was misled like much of the rest of the public. he s now asking for answers, all of this as parents say more should have been done. it was the wrong decision,