Stream It

The Dexter Killer

Inside the mind of murderer Mark Twitchell. Newly revealed letters from the man police say wanted to be like fictional serial killer Dexter. "48 Hours" contributor Troy Roberts reports.

Aired: Apr 23, 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