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The Murder of Mercedes Vega 02:56
Remembering Erin Gilmour 02:01
Remembering Susan Tice 02:01
More from the firefighters who responded to the Hibbs house fire 02:45
Remembering Joy Hibbs 03:04
Last known security footage of T’Montez Hurt 00:30
More of Colin's Police Interview 01:50
More on Kaitlin Armstrong's plastic surgery in Costa Rica 02:20
Cyclists "Ride for Mo" 01:19
A Postcard from the Field: The Grackles of Austin, Texas 01:16
Remembering Heather Strube 03:23
Remembering Jon Hickey 02:14
Cold Case Spotlight: Alexandra Wiwcharuk 05:08
Memories of Jennifer 03:37
Purple Ribbons for Jennifer 01:24
DATELINE NBC EXCLUSIVE: Friends of Jennifer Dulos Speak Out 01:16
Remembering Chris Tapp 02:24
“The only thing I ever wanted was to die free” 02:20
The Relentless Carol Dodge 01:51
DATELINE FRIDAY PREVIEW: True Confession 01:00
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. Dec. 15, 2012
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The Murder of Mercedes Vega 02:56
Remembering Erin Gilmour 02:01
Remembering Susan Tice 02:01
More from the firefighters who responded to the Hibbs house fire 02:45
Remembering Joy Hibbs 03:04
Last known security footage of T’Montez Hurt 00:30 
