Boston February 15, 2018 11:28 pm Social Media Shows Tense Moments of School Shooting Images and details about what was happening inside a school in Parkland, Florida, were spread live across the world on social media. US & World Videos 2:11 Julie Nagel takes the stand in Karen Read trial 0:33 Marshfield middle school on lockdown after incident at Starbucks 1:55 Karen Read trial Day 12: Julie Nagel to testify again 2:07 Bruins force Game 6 with win over Panthers in Florida 1:56 Car hits and injures young child in Norwood