0:18newsDecember 10, 2018Sandy Hook parents group releases new PSAThe ad, directed by Rupert Sanders -- best known for directing "Snow White and the Huntsman" -- uses a twist to shock the viewer at the end of a seemingly normal high school day.Up Next in newsSandy Hook Promise releases new warning ad ahead of 6th anniversaryDecember 10, 2018Senator memorializes Sandy Hook victims in 2013 speech about gun violenceDecember 6, 2017Sandy Hook: Five years later, victims' families find new purposeDecember 14, 2017