(ANSA) - NEW YORK, JANUARY 26 - Horror in Louisiana, where a 15-year-old girl was stabbed to death inside a Walmart store in Louisiana, all live on social media.
Authorities arrested four teenagers between the ages of 12 and 14.
The sheriff of the district of Calcasieu, Tony Mancuso, explained: "The whole murder was published on social media, there seems to be no remorse".
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