called 911. jason carroll now reports top police officials say it was a mistake to not engage the shooter earlier. i was misled. i am livid about what happened. texas governor greg abbott aiming his ire at law enforcement. my expectation is that the law enforcement leaders that are leading the investigations which includes the texas rangers and the fbi, they get to the bottom of every fact with absolute certainty. reporter: after new damming n new admissions the incident commander making the decision not to immediately enter the classroom the gunman was in. a decision was made that this was a barricaded subject situation, there was time to retrieve the keys and wait for a tactical team with the equipment to go ahead and the breach the door. take on the subject at that point. reporter: explained how the shooter got into the school. shooter entered, ramos, was propped up by a teacher. the three initial police officers that arrived went directly to the door and to
12:43 and 12:47 he asked 911 to please send the police now. something s got to be done now. you re wrong, what do we do now? my question. what are we going to do now? accountability. accountability, you know, someone has to be responsible. reporter: warnings signs missed. ramos asked his sister to help him buy a gun, she flatly refused. that s in 20221. reporter: posts far back as last february offering red flags. group chat, discussed that ramos being a school shooter. that was on february 28th, 2022, on march 14th, there was an