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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
Josh Mankiewicz Previews 'Deadly Exchange' 00:56 German foreign exchange student and soccer player Diren Dede’s dreams of studying in America came true when he began his junior year at a Montana high school. But when he decides to play a reckless teenage game, the consequences turn deadly. April 30, 2015
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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