Sandy Hook parents blast Mark Zuckerberg in emotional open letter

The parents of one of the children killed during the shooting at Sandy Hook want Mark Zuckerberg to answer for Facebook's policies.
Lenny Pozner and Veronique De La Rosa, whose son Noah was killed in 2012, blasted Facebook's top executive in an open letter that was published by The Guardian. At issue is Facebook's policy around fake news and conspiracy theories, many of which target the families of victims of mass shootings.
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