much for the latest. it s the top of the hour on cnn newsroom. i m alisyn camerota. i m victor blackwell. we start this hour with the tears and the grief and the stories of terror from capitol hill today as people who have been deeply impacted by america s latest mass shootings testify to the house oversight committee. the youngest voice, just 11 years old, a 4th grader who survived the massacre in uvalde, texas. recounting the worst moments that she endured 77 minutes of living hell. she had to play dead. she had to smear her best friend s blood on her to hide from a gunman. there s a door between our classrooms, and he went there and shot my teacher and told my teacher good night, and shot her in the head. and then he shot some of my classmates when i went back to the back. he i thought he was going to come back to the room so i got blood and i put it all over me. do you feel safe at school? why not? because i don t want it to happen again. and you think it s
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you kind of have to really think about it, but, you know, this is only the second time they ve detected this, but this leads scientists to believe that now there s perhaps a totally new class of these frbs. they don t know the origin of these frbs, what is the cause of them. there have been theories they may be from a super neutron star left over from a super nova, or a star that has an intense magnetic field, but this most recent one, and i m going to give you the name, it s called frb 190520. creative. very creative. maybe they ll tweak that in the near future but it was found in 2019 by a telescope in china, and that s when they detected that it was repeating itself, that it had these in between the bursts, these longer persistent radio waves, and then in 2020, an array of satellites looked at it, and that s when they discovered that it was about 3 to 4 billion light years away in this dwarf galaxy, and so you