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    Remembering Rebekah Gould

    02:06
  • A Conversation with the Killer

    02:02
  • A Postcard from the Field: The Ozark Folk Center State Park

    02:16
  • Remembering Kaylee Goncalves, Madison Mogen, Xana Kernodle, and Ethan Chapin 

    03:42
  • Profile of the Killer

    02:01
  • More from Kerri Rawson, the daughter of BTK serial killer Dennis Rader

    03:02
  • Remembering Ricky Cowles

    01:22
  • A Life of Amends

    02:37
  • A Determined Friend

    00:15
  • A Father’s Love

    00:24
  • A Postcard from the Field: Edwards Air Force Base

    03:01
  • A Postcard from the Field: Frocked Up in Lake Havasu, Arizona

    03:28
  • Learn more about Knockderry Castle

    01:45
  • A Postcard from the Field: The Glenturret Distillery

    02:01
  • Remembering Courtney Coco

    02:39
  • Remembering Jonathan Crews

    02:11
  • Remembering Kristin Smart

    02:32
  • Dateline NBC EXCLUSIVE: Kristin Smart’s parents speak out in first network interview since arrest and conviction of their daughter's killer

    00:52
  • Remembering Rita Gutierrez-Garcia

    02:49
  • A Path for Recovery

    01:58

A day of massacre unfolds in Newtown

09:09

NBC News’ Lester Holt reports how the day of a shooting massacre in Newtown, Connecticut unfolded, from the moment Newtown police received an emergency 911 call from the Sandy Hook Elementary School to the children and parents who share their grievances over the 28 killed, including the shooter himself, 20-year-old Adam Lanza.