Letters offer a rare look at the thoughts of "The Dexter Killer": "It's what it is and I'm what I am."
CBSN
This story previously aired on June 10, 2023. MARK TWITCHELL [graduation video]: "I'm glad I got to work with you all and I hope I see you all in the industry." DETECTIVE [interrogation]: Altinger … Does that name ring a bell to you or mean anything to you? MARK TWITCHELL [interrogation]: I'm working on a comedy right now. Which is a — it's actually a full-blown feature that's actually gonna have a decent budget in the neighborhood of about three-and-a-half million … MARK TWITCHELL movie interview]: "The word has gotten around that I'm making a 100 million dollar movie for 60 grand, and some production and directing jobs have already come my way." DETECTIVE [interrogation]: I mean it's kinda odd that you're filming that kind of thing. DET. BILL CLARK [interrogation]: So, as you know Mark, we're just here trying to find this John fellow. John Altinger. MARK TWITCHELL [interrogation]: This guy, uh, taps on my window … you know, "Hey buddy do you wanna buy a car? … I — I've shacked up with this really rich lady … She's even gonna buy me a new car … so I'm just looking to unload mine… how much do you have on you?" DET. BILL CLARK [interrogation]: There's absolutely no doubt in my mind that you're involved in the disappearance of John Altinger. No doubt in my mind at all Mark. "SK CONFESSIONS" PASSAGE: "I plunged the knife deep into his neck …" DET. BILL CLARK [Mark Twitchell interrogation]: As I told you that night, I knew that you were involved in the disappearance at that time of Johnny Altinger. That's changed slightly … I now know that you killed John Altinger. DET. MARK ANSTEY [to reporters, holding up hockey mask]: We have some details on this male victim who was attacked, and we would like him to come forward. DET. MARK ANSTEY [to reporters]: To date we do not know who this victim is…. I believe the victim entered the garage and was attacked by another male who was wearing a hockey mask … DET. MARK ANSTEY [to reporters]: We have not found John Altinger's body. GILLES TETREAULT [police interview]: I was off balance, I couldn't run … I fell down on the gravel driveway and, uh, basically crawling. … So, he dragged me back to the garage. "SK CONFESSIONS" PASSAGE: "I grabbed him by the leg as if to drag him back into the garage caveman style." GILLES TETREAULT [police interview]: After this all happened, I realized how lucky I was. "SK CONFESSIONS" PASSAGE: "Please stop hitting me … oh my skull." DET. BILL CLARK [interviewing Twitchell]: I'm gonna go get the car ready. We're gonna take a drive. DET. BILL CLARK [to Twitchell in police car]: So, in order to finish the movie, we have to find the body, take it back to the people, the family — done. Movie's over. And you can write it all down. DET. BILL CLARK [to Twitchell in police car]: Look familiar Mark? Are we parked right on top of the sewer where you dumped the body? DET. BILL CLARK [to Twitchell in police car]: So here we are back at the killing garage. The "Dexter" garage.
These are the words of Mark Twitchell, written to investigative journalist and author Steve Lillibuen: MARK TWITCHELL: No. MARK TWITCHELL: Mm hmm. MARK TWITCHELL: Mm hmm. MARK TWITCHELL: Why? OFFICER [to Twitchell outside garage]: Bring back any memories? You wanna tell us where the body is now? Get this over with?
Steve Lillibuen [reading letters]: "It would appear that I'm unique in the world. There is no key. No root cause … If I really were capable of premeditated murder … Normal, healthy, well-adjusted 30-year-old men … I once heard the legend of another worthy victim … I dealt with his remains in a disrespectful manner that traumatized me forever … psychopathic serial killer … I quickly grew to resent and hate this man." DETECTIVE: Never heard it before? DETECTIVE: And we end up going to that garage because of a missing person who supposedly went there.

The peace and tranquility of Muir Woods, just north of San Francisco – home to 500+ acres of old-growth redwoods – make it just about the last place you'd expect to find a fight brewing. "The fact that they're taking down whole groups of signs about climate change and our nation's history is disappointing, and embarrassing," said retired U.S. Park Ranger Lucy Scott In:

We share our planet with maybe 10 million species of plants, animals, birds, fish, fungi and bugs. And to help identify them, millions of people are using a free phone app. "Currently we have about six million people using the platform every month," said Scott Loarie, the executive director of iNaturalist, a nonprofit.

At ski resorts across the West this winter, viral images showed chairlifts idling over brown terrain in places normally renowned for their frosty appeal. Iconic mountain towns like Aspen, Colorado, and Park City, Utah, were seen with shockingly bare slopes, as the region endured a historic snow drought that experts warn could bring water shortages and wildfires in the months ahead. In:










