Dateline

And Then There Were Three

Days before Christmas, a high school senior is found dead in her car after visiting the mall. It would take almost 40 years for investigators to identify her killer. Dennis Murphy reports.

Aired: Sep 14, 2020 Genre: Crime DocumentaryCasts: Lester HoltDuration: 43m Rating: 0 Country: United States of America Production: NBC News, Peacock Productions

Episodes

01: The Thing About Pam 02: Haunted 03: The Plan 04: The Pink Skirt Plot 05: The Box 06: Deliberate Evil 07: The Ultimatum 08: The Black Widow of Lomita 09: A Song for Whitney 10: The Premonition 11: Detective Story 12: While They Were Sleeping 13: The Devil Was Watching 14: The Music Box 15: The Death of Gianni Versace 16: The Black Candle Confession 17: Abducted 19: Devil's Bargain 20: Where Are The Children?21: The Woman Who Couldn't Scream 22: The House on the Hill 23: The Perfect Guy 24: The Black Box 25: The Ranch 26: Return to The Lonely Road 27: The Road Trip 28: The House 29: Before Daylight 30: What Happened to the Children?31: Unbreakable 32: Finding Sarah Goode 33: Endgame 34: The Playbook 35: The Long Road to Freedom 36: What Happened to JJ and Tylee 37: Disappearance of Tara Grinstead - REDO of 38: A Sister's Search 39: The Day Jennifer Disappeared 40: Family Business 41: Internal Affairs 42: Angels & Demons 43: Mystery in Orange County #2 44: Death in the Driveway #2 45: The Rise and Fall of Oscar Pistorius 46: And Then There Were Three 47: Secrets from the Grave 49: The Good Husband 52: Twisted in Texas 53: In Cold Blood 56: Twisted 57: Shining Star 58: Life Inside 61: Secret Lives 65: Trouble at the 7-11 Ranch 66: In a Lonely Place 67: Disappearance of Laci Peterson 68: Mystery on Blood Mountain 69: Bad Blood 70: A Villainous Plan 71: Mystery on the Jordan River 72: Mystery in Big Sky Country 73: Before Midnight 74: Before the Storm 77: The Secret Keepers 78: Vanished