48 Hours “The Dexter Killer” 4/23/22 on CBS

48 Hours CBS

Tonight (Saturday, April 23 2022), CBS broadcasts a new episode of the series “48 Hours” titled “The Dexter Killer“.

We’ve got the scoop on everything you need to know about tonight’s episode, including if it’s new, the time, cast, how to watch and all the episode details!

48 Hours The Dexter Killer Summary

Just over a decade after Mark Twitchell was convicted of murdering Johnny Altinger, who prosecutors say was lured into a garage, stabbed and dismembered, 48 HOURS contributor Troy Roberts gets a rare look inside Twitchell’s mind through his writings in “The Dexter Killer,” to be broadcast Saturday, April 23 (10:00 PM, ET/PT) on the CBS Television Network and streamed on Paramount+.

48 HOURS and Roberts have been covering Twitchell’s case since 2008. Now, for the first time on television, investigative journalist and author Steve Lillebuen reveals letters he exchanged with Twitchell during a three-year period. Lillebuen wrote a book about the case titled The Devil’s Cinema: The Untold Story Behind Mark Twitchell’s Kill Room.

“He wrote me probably 30 or 35 different letters – up to about 350 pages of letters,” Lillebuen told Roberts.

Twitchell wrote, “The fact is society in general has a deep and profound fascination with the dark side of human nature.”

Twitchell was a filmmaker from Canada who dreamed of making it big in the movies. Prosecutors say he created a fake profile on an online dating site. Posing as a woman, he set up a date with Johnny Altinger, then attacked and killed him before dismembering him.

Investigators say Twitchell was obsessed with the gruesome serial killer at the center of the TV series “Dexter,” which airs on SHOWTIME, a division of Paramount Global, which owns CBS.

“Mark Twitchell wrote to me quite extensively about his interest in ‘Dexter,’” says Lillebuen.

He says Twitchell “had a kill room set up with plastic sheeting. He had a table set up for his victims. He had this kind of processing kit that was very similar to what Dexter uses.”

Lillebuen pressed Twitchell to explain himself, and Twitchell wrote, “It is what it is, and I am what I am.”

“With many serial killers, it’s the killing part that they enjoy,” says retired FBI profiler Julia Crowley. “And once they’ve killed a person, they’re done. Not Mark Twitchell.”

Twitchell also lured another man, Gilles Tetreault, with a similar ruse only one week before he killed Altinger. But Tetreault managed to escape.

Twitchell is eligible to apply for parole next year. Tetreault, who escaped from him nearly 14 years ago, is worried that the convicted killer could come after him.

“I’m scared that he might want to finish what he started and come after me,” Tetreault tells Roberts. “I think he’s pure evil. … I would like to see him in jail for the rest of his life.”

What drove Twitchell to kill? And should he be released on parole? Roberts and 48 HOURS have the latest on the case.

48 HOURS: “The Dexter Killer” is produced by Asena Basak. Michael McHugh is the producer-editor. Lourdes Aguiar and Anthony Venditti are also producers. Joan Adelman and Michelle Harris are the editors. Patti Aronofsky is the senior producer. Nancy Kramer is the executive story editor. Susan Zirinsky and Judy Tygard are the executive producers.

48 HOURS is broadcast Saturdays at 10:00 PM, ET/PT on CBS, and streams anytime on Paramount+. There’s also a new way to watch 48 HOURS. You’ll find us on the CBS News Streaming Network Wednesdays at 8:00 PM, ET. Download the CBS News app on your phone or connected TV. Follow 48 HOURS on Twitter, Facebook and Instagram. Listen to podcasts at CBSAudio.

Is Tonight’s Episode New or a Repeat?

Great news! Tonight’s “The Dexter Killer” episode of “48 Hours” is all new!

What Time is Tonight’s Episode On?

Tonight’s “The Dexter Killer” episode will be broadcast on CBS at 10:00PM ET/PT.

Watch 48 Hours “The Dexter Killer” Episode Video Preview

Watch Tonight’s 48 Hours Episode Online

You can find episodes on the CBS website and watch full episodes on Paramount+.

48 Hours Series Information

This newsmagazine investigates intriguing crime and justice cases that touch on all aspects of the human experience. Over its long run, the show has helped exonerate wrongly convicted people, driven the reopening — and resolution — of cold cases, and changed numerous lives. CBS News correspondents offer an in-depth look into each story, with the emphasis on solving the mystery at its heart. The program and its team have earned critical acclaim, including multiple Emmy, Peabody and Edward R. Murrow Awards.https://www.youtube.com/watch?v=xkAq3nV4juU

Alex Matthews

Alex has been an avid fan of television since they were a child, always eager to discover new shows and characters. Over the years, Alex has written numerous articles and essays about television, exploring the themes, characters, and cultural impact of some of the most beloved shows of our time.

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