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What Ally Kostial Didn't Know

A college student's troubling text messages lead investigators to her killer. "CBS Saturday Morning" co-host Michelle Miller reports for "48 Hours."

Aired: Mar 05, 2022 Genre: News Crime DocumentaryCreated By: Judy TygardProducers:Duration: 42m Rating: 0 Country: United States of America Production: CBS News Productions

Episodes

01: The Online Life & Death of Bianca Devins 02: What Happened to Gabby Petito?03: Jasmine Hartin's Shot in the Dark 04: #LindasStory 05: The Station Nightclub Fire: Who's Responsible?06: The Murdaugh Mysteries 07: The Diary of Martha Moxley 08: The Ring: The Murder of Patrick De La Cerda 09: A Killer in the Family Tree 10: A Promise to Ahmaud 11: What Happened to the Perfect Child?12: Who Killed Rachael DelTondo?13: The Life and Death of Nikki Kuhnhausen 14: The Missing Millionaire: A 'Tiger King' Mystery 15: Who Killed Jonelle Matthews?18: The Yogurt Shop Murders 19: The Final Hours of Amie Harwick 20: Searching for Maya Millete 21: Katrina Brownlee: The Good Cop 22: What Ally Kostial Didn't Know 23: The Poisonous Wife 24: Eric Smith: Gambling on a Killer 25: Who Shot the Tech Exec?26: The Plot to Kill Jamie Faith 27: Death on Safari 28: The Dexter Killer 29: Chasing Catherine Shelton (Part 1)30: Chasing Catherine Shelton (Part 2)31: Please Don't Tell 32: Death By Text 33: Peter Chadwick: Caught