Dateline
Season 29 Episode 9 - A Promise to Helene
6.4 ?
1992
Crime, Documentary
When college student Helene Pruszynski is found murdered, her case remains cold for nearly 40 years until a new detective uses an innovative method to catch the killer. Josh Mankiewicz reports.
Episodes in Season 29
1
Trouble at the 7-11 Ranch
43 min
2
Left For Dead
83 min
3
Tallahassee Trap
43 min
4
A Killer Role
43 min
5
Lone Star Obsession
43 min
6
The Dead of Night
43 min
7
What Happened to Don Lewis
43 min
8
The Client: A New Look
43 min
9
A Promise to Helene
43 min
NOW PLAYING
10
Even the Devil Went to Church
40 min
11
Return to Shalimar Way
43 min
12
Hope Whispers
43 min
13
The Eastlake Conspiracy
43 min
14
10 Minutes to Sunset
43 min
15
Voices for Vanessa
43 min
16
Point Blank
43 min
17
Race for a Vaccine
43 min
18
Far from Spider Lake
43 min
19
Into the Night - Part 2
43 min
20
The Life and Death of Princess Diana
82 min
21
Journey for Justice
43 min
22
Open Water
80 min
23
The Grudge
40 min
24
Night of the Summer Solstice
83 min
25
Lauren's Promise
40 min
26
The Woman at the Bar
43 min
27
Shannon's Story
43 min
28
Death of a Hometown Hero
43 min
29
The Black Box (Repeat)
43 min
30
Broken Circle
40 min
31
The Monster at Large
43 min
32
Collateral Damage
43 min
33
Return to the Landing
43 min
34
The Life She Wanted
43 min
35
The Woman with No Name
43 min
36
The Waiting Car
40 min
37
Mommy Doomsday
43 min
38
Sex, Lies, & Murder
43 min
39
The Phone Call
43 min
43
The Necklace
44
Killer Role
45
Window of Opportunity
47
Secrets by the Bay
50
House of Horrors
51
The Fight for America's Soul
43 min
