more than a dozen from the water. a 7-year-old among the dead just in, twitter suing elon musk for breaking his deal to buy the social media giant. and the new images from the most powerful telescope ever created, changing the way we see our universe announcer: this is nbc nightly news with lester holt good evening, everyone for almost two months we have tried to understand why it took nearly 80 minutes for police to end the massacre that claimed 21 innocent lives at robb elementary school in uvalde, texas tonight some horrifying new insight. let me warn you that what we re about to show you is disturbing on so many levels. surveillance video from inside the school that has just been made public revealing the decisions that cost time and lives. the video shows a police response that appears at moments uncoordinated, confused, with officers in apparent disagreement over how to proceed it begins outside capturing the shooter, crashing his car, his sprint to the school
shooting just revealed the horrifying new images the gunman entering the school calmly walking down the hall students fleeing as shots were fired police responding minutes later but retreating from the gunfire. then officers amassing in the hallway for over an hour before finally entering the classrooms to take the shooter down tonight, how victims families are reacting. also tonight, the dramatic hearing the january 6th committee making the case that donald trump summoned a violent mob to attack the capitol with a now infamous tweet. new testimony and evidence linking trump allies to extremist groups that led the attack the former spokesman for the oath keepers testifying they were a violent militia to attack the capitol in military formation the emotional moment the convicted rioter hugging capitol police, telling them i m sorry. the explosive claim liz cheney saying trump recently called a witness. could that be considered tampering our team at the capitol. the boat capsizing o