Family members do not know why Stephan Paddock rented a room and then fired hundreds of bullets at a country music festival on the Las Vegas strip.
At least 58 were killed and more than 515 injured, with the death toll expected to rise following the largest mass shooting in American history.
Eric Paddock told reporters gathered outside his home in Orlando Florida, he has absolutely no idea why his brother committed this atrocity.
IN: "I ... there's not....
OUT: ...dumbfounded, I mean."
DUR: 24
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