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Dateline: Secrets Uncovered Season 10 Episode 36

The Valentine's Day Mystery

He was a wealthy doctor with a perfect life and the perfect wife; then, he found her dead on Valentine's Day; she was beloved but did have enemies; investigators followed a bloody trail of evidence, leading to a big courtroom twist.

Nov. 24, 2021

10 - 71
Secrets of Lake SeminoleSep. 08, 2022
10 - 70
Deadly ExposureSep. 07, 2022
10 - 69
The Beauty and the Beast MysteryAug. 31, 2022
10 - 68
Haunting ImagesAug. 24, 2022
10 - 67
As Darkness FellAug. 17, 2022
10 - 66
The Mystery on Albion RoadAug. 10, 2022
10 - 65
The Night Before HalloweenAug. 03, 2022
10 - 64
A Place on the SandJul. 27, 2022
10 - 63
Without a TraceJul. 20, 2022
10 - 62
The House on Badger LaneJul. 13, 2022
10 - 61
Deadly DevotionJul. 06, 2022
10 - 60
One Small DoseJun. 29, 2022
10 - 59
Friends Until DeathJun. 22, 2022
10 - 58
A Perfect SpotJun. 15, 2022
10 - 57
Something SweetJun. 08, 2022
10 - 56
The Mystery of Effingham CountyJun. 01, 2022
10 - 55
The Halloween PartyMay. 25, 2022
10 - 54
ScornedMay. 18, 2022
10 - 53
Before DawnMay. 11, 2022
10 - 52
Mystery in Big Sky CountryMay. 04, 2022
10 - 51
Secrets in the Smoky MountainsApr. 27, 2022
10 - 50
The Disappearance of Laci PetersonApr. 20, 2022
10 - 49
The TargetApr. 13, 2022
10 - 48
Evil Was WatchingApr. 06, 2022
10 - 47
The Secret KeepersMar. 30, 2022
10 - 46
Before MidnightMar. 23, 2022
10 - 45
Facing the MusicMar. 16, 2022
10 - 44
She Didn't Come HomeMar. 09, 2022
10 - 43
11 MinutesMar. 02, 2022
10 - 42
The Prussian Blue MysteryFeb. 23, 2022
10 - 41
In Plain SightJan. 26, 2022
10 - 40
The Night Brianna VanishedJan. 12, 2022
10 - 39
TakenJan. 05, 2022
10 - 38
Bitter PillDec. 15, 2021
10 - 37
Mean GirlsDec. 01, 2021
10 - 36
The Valentine's Day MysteryNov. 24, 2021
10 - 35
The Last DayNov. 17, 2021
10 - 34
Finding Sarah GoodeNov. 10, 2021
10 - 33
The MatchNov. 03, 2021
10 - 32
Unthinkable: The Menendez MurdersOct. 27, 2021
10 - 31
The Secrets of Cottonwood CreekOct. 20, 2021
10 - 30
After the StormOct. 13, 2021
10 - 29
Suspicion in Silver CityOct. 06, 2021
10 - 28
Friends Until DeathJun. 22, 2022
10 - 27
A Perfect SpotJun. 15, 2022
10 - 26
Something SweetJun. 08, 2022
10 - 25
The Mystery of Effingham CountyJun. 01, 2022
10 - 24
The Halloween PartyMay. 25, 2022
10 - 23
ScornedMay. 18, 2022
10 - 22
Before DawnMay. 11, 2022
10 - 21
Mystery in Big Sky CountryMay. 04, 2022
10 - 20
Secrets in the Smoky MountainsApr. 27, 2022
10 - 19
The Disappearance of Laci PetersonApr. 20, 2022
10 - 18
The TargetApr. 13, 2022
10 - 17
True LiesJul. 15, 2021
10 - 16
The Evil to ComeJul. 08, 2021
10 - 15
IndiscretionJul. 01, 2021
10 - 14
Secrets at Sunshine MotelJun. 26, 2021
10 - 13
Someone Was Out ThereJun. 17, 2021
10 - 12
Miami HeatJun. 10, 2021
10 - 11
After MidnightJun. 03, 2021
10 - 10
Queen of the CountyMay. 20, 2021
10 - 9
Shining StarMay. 13, 2021
10 - 8
Fatal AttractionMay. 06, 2021
10 - 7
What Lies BeneathApr. 29, 2021
10 - 6
Secret LivesApr. 22, 2021
10 - 5
Lethal WeaponApr. 08, 2021
10 - 4
Deadly betrayalApr. 01, 2021
10 - 3
The Root of All EvilMar. 25, 2021
10 - 2
While He Was SleepingMar. 18, 2021
10 - 1
The Devil in DisguiseMar. 01, 2021