Dateline: Unforgettable
Season 2, Episode 34: Internal Affairs
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When a popular graduate student is shot dead in Durham, NC, detectives uncover a deadly love triangle; it takes a lot to surprise correspondent Josh Mankiewicz, but the claims are shocking.
All Episodes - Season 2
Episode 1
Under The Desert Sky
Episode 2
The Officer's Wife
Episode 3
The Eastlake Conspiracy
Episode 4
A Novel Defense
Episode 5
Smoke And Mirrors
Episode 6
Somebody's Daughter
Episode 7
The Last Dance
Episode 8
Return to the Lonely Road
Episode 9
The Man Who Talked to Dogs
Episode 10
Out of the Darkness
Episode 11
Justice for Nikki
Episode 12
House of Secrets
Episode 13
The Black Widow of Lomita
Episode 14
The Pink Gun Mystery
Episode 15
Even the Devil Went to Church
Episode 16
The Day Jennifer Disappeared
Episode 17
In the Dead of Night
Episode 18
A Promise to Helene
Episode 19
Death of a Golden Girl
Episode 20
Secrets From the Grave
Episode 21
Fallen
Episode 22
The Box
Episode 23
The Creek
Episode 24
Mystery on Blood Mountain
Episode 25
The Betrayal of Sarah Stern
Episode 26
The Dead of Night
Episode 27
Deadly Valentine
Episode 28
Down the Back Staircase
Episode 29
The Ranch
Episode 30
What Happened to Amy?
Episode 31
The Secret of Spirit Lake
Episode 32
The Plan
Episode 33
The Haunting
Episode 34
Internal Affairs
Episode 35
Return to Manitowoc County
Episode 36
Twisted
Episode 37
Good & Evil
Episode 38
The House
Episode 39
Breakout
Episode 40
Family Affair
Episode 41
The Women and Dirty John
Episode 42
Open Water
Episode 43
The Silhouette
Episode 44
The Sting
Episode 45
Deadly Desire
Episode 46
Plot Twist
Episode 47
The Life and Death of Princess Diana
Episode 48
The Last Dive