MSNBCW Dateline July 5, 2024
>> lots of screaming. lots of gunfire. they had a demeanor like they owned the place. >> panicked moms protecting their kids. >> i just kepting telling them to be quiet, like a mouse. >> kids forced to protect one another. >> you grabbed your brother. >> yeah, and just run. >> from out of the blue a hero. >> she starts running. >> could he rescue the very smallest of victims? >> when portia got up and ran, did you have a moment where you thought, oh, my god? >> hello and welcome to "dateline." new ton, orlando, las vegas. it seems like mass shootings have become all too frequent in t...