important. a 72-year-old suspect who was found dead at the scene about 12 hours later from what officials believe at this point was a self-inflicted gunshot wound. but there s more to the story. nbc news now on staining this new and exclusive surveillance video that actually shows the moment when an apparent hero helped disarm what is believed to be that suspected gunman, and then this person speaking at it with lester headlight. i had to believe that i was going to die. like, my life was ending here at that very moment. but something something amazing happened, and a miracle actually, he started to tray to prep his weapon so he could shoot everybody, but then it came it dawns on me this was the moment to disarm him. i could do something that could protect everybody and potentially save myself. we begin our coverage. jim, welcom we have an eye on when we ll get our update and we ll go to that when they come out. the horror, the carnage, the lost lives. we could talk abo
i m jim sciutto. and i m erica hill. investigators in monterey park, california searching for a motive after a gunman killed ten people and wounded ten more at a dance hall. the gunman later took his own life after a standoff with officers officers. before it ended, he did try to target a second dance hall. he was stopped by a bystanders, brandon tsay, who managed to wrestle the gun away from him. my first thoughts was i m going to die here. this was it. when i got the courage, i lunged at him with both of my hands and grabbed the weapon, and we had a struggle. we struggled into the lobby trying to get this gun away from each other. he was hitting me across the face, bashing the back of my head. i was trying to use my elbows to separate the gun away from him creating some distance. brandon tsay confronted the gunman. don lemon is on the scene in monterey park, california. don, you re witnessing so much hurt there, i imagine. what are you learning this morning. repor