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Man who exploded Tesla Cybertruck outside Trump hotel in Las Vegas used generative AI, police say

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Man who exploded Tesla Cybertruck outside Trump hotel in Las Vegas used generative AI, police say

The highly decorated soldier who exploded a Tesla Cybertruck outside the Trump hotel in Las Vegas used generative AI including ChatGPT to help plan the attack, Las Vegas police said Tuesday.

Nearly a week after 37-year-old Matthew Livelsberger fatally shot himself, officials said according to writings, he didn’t intend to kill anyone else.

An investigation of Livelsberger’s searches through ChatGPT indicate he was looking for information on explosive targets, the speed at which certain rounds of ammunition would travel and whether fireworks were legal in Arizona.

Kevin McMahill, sheriff of the Las Vegas Metropolitan Police Department, called the use of generative AI a “game-changer” and said the department was sharing information with other law enforcement agencies.

“This is the first incident that I’m aware of on U.S. soil where ChatGPT is utilized to help an individual build a particular device,” he said. “It’s a concerning moment.”

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In an emailed statement, OpenAI said it was committed to seeing its tools used “responsibly” and that they’re designed to refuse harmful instructions.

“In this case, ChatGPT responded with information already publicly available on the internet and provided warnings against harmful or illegal activities. We’re working with law enforcement to support their investigation,” the emailed statement said.

Launched in 2022, ChatGPT is part of a broader set of technologies developed by the San Francisco-based startup OpenAI. Unlike previous iterations of so-called “large language models,” the ChatGPT tool is available for free to anyone with an internet connection and designed to be more user-friendly.

During a roughly half-hour-long news conference, Las Vegas police and federal law enforcement officials unveiled new details about the New Year’s Day explosion.

Among the specifics law enforcement disclosed: Livelsberger stopped during the drive to Las Vegas to pour racing-grade fuel into the Cybertruck, which then dripped the substance. The vehicle was loaded with 60 pounds (27 kilograms) of pyrotechnic material as well as 70 pounds (32 kilograms) of birdshot but officials are still uncertain exactly what detonated the explosion. They said Tuesday it could have been the flash from the firearm that Livelsberger used to fatally shoot himself.

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Authorities also said they uncovered a six-page document that they have not yet released because they’re working with Defense Department officials since some of the material could be classified. They added that they still have to review contents on a laptop, mobile phone and smartwatch.

Among the items released was a journal Livelsberger kept titled “surveillance” or “surveil” log. It showed that he believed he was being tracked by law enforcement, but he had no criminal record and was not on the police department’s of FBI’s “radar,” the sheriff said Tuesday.

The log showed that he considered carrying out his plans in Arizona at the Grand Canyon’s glass skywalk, a tourist attraction on tribal land that towers high above the canyon floor. Assistant Sheriff Dori Koren said police don’t know why he changed his plans. The writings also showed he worried he would be labeled a terrorist and that people would think he intended to kill others besides himself, officials said.

Once stopped outside the hotel, video showed a flash in the vehicle that they said they believed was from the muzzle of the firearm Livelsberger used to shoot himself. Soon after that flash, video showed fire engulfing the truck’s cabin and even escaping the seam of the door, the result of considerable fuel vapor, officials said. An explosion followed.

Livelsberger, an Army Green Beret who deployed twice to Afghanistan and lived in Colorado Springs, Colorado, left notes saying the explosion was a stunt meant to be a “ wake up call ” for the nation’s troubles, officials said last week.

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He left cellphone notes saying he needed to “cleanse” his mind “of the brothers I’ve lost and relieve myself of the burden of the lives I took.”

The explosion caused minor injuries to seven people but virtually no damage to the Trump International Hotel. Authorities said that Livelsberger acted alone.

Livelsberger’s letters touched on political grievances, societal problems and domestic and international issues, including the war in Ukraine. He wrote that the U.S. was “terminally ill and headed toward collapse.”

Investigators had been trying to determine if Livelsberger wanted to make a political point, given the Tesla and the hotel bearing the president-elect’s name.

Livelsberger harbored no ill will toward President-elect Donald Trump, law enforcement officials said. In one of the notes he left, he said the country needed to “rally around” him and Tesla CEO Elon Musk.

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Trump relished in being compared to dictators like Hitler and Stalin, journalist says

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Trump relished in being compared to dictators like Hitler and Stalin, journalist says

A gold-colored item embossed with the word “President” sits on the Resolute desk in the Oval Office of the White House on Nov. 10, 2025.

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The New York Times journalist Jonathan Swan has spent the past 11 years covering President Trump through three political campaigns, his first, and now second, term in office and the ongoing war with Iran. Swan says aside from the COVID-19 pandemic, he can’t remember a time where Trump looked “as stuck as he looks right now.”

“It’s pretty clear he realizes that this war [with Iran] has not gone well, has not played out the way that Netanyahu pitched him or that Trump himself thought [it] would play out,” Swan says. “Trump is someone who is naturally given to hubris, but I think we saw a very extreme version of that with this war.”

Swan and his co-author Maggie Haberman spoke with more than 1,000 sources for their new book, Regime Change: Inside the Imperial Presidency of Donald Trump. The book paints a picture of an unrestrained president remaking the American government and its international relations in profound ways.

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Swan notes that the president, who sat for an interview for the book, has been particularly fixated on becoming a “great man of history” during his second term. During one interview, Trump showed Swan and Haberman a document that compared him to notorious historical figures like Mao, Stalin, Hitler, Attila the Hun and Genghis Khan.

“[The list had] nothing to do with morality, all just about pure power projection. And Trump was relishing being in their company,” Swan says. “Maggie and I talked about it afterwards, and it really occurred to us that when you look at it through that lens, his second term makes a lot more sense.”

Swan says the president’s fixation on power is reflected in his decisions to go to war in Iran and implement regime change in Venezuela. But he also sees it manifested in Trump’s White House decor, which leans on what Swan calls the president’s “inner Louis XIV” style.

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Homelessness is more common than you think. : It’s Been a Minute

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Homelessness is more common than you think. : It’s Been a Minute

The real spectrum of housing insecurity

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Annika McFarlane/Getty Images/Getty Images

Who counts as homeless in America?

If you ask the Department of Housing and Urban Development, around 750,000 people are homeless in America. If you ask the Department of Education, that number shoots up into the millions. What does this discrepancy tell us?  And how do our cultural ideas about homelessness shape who we see as homeless, and who gets help? To find out, Brittany talks with Dr. Margot Kushel, Director at the UCSF Benioff Homelessness and Housing Initiative, and Dr. Molly Richard, assistant professor in the Department of Public Health at the University of Rhode Island’s College of Health Sciences.

Want more deep dives on cultural taboos?  Check out these episodes:
The truth about men on the ‘down low’
Why can’t we be normal about polyamory?

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Follow Brittany on Instagram: @bmluse

For handpicked podcast recommendations every week, subscribe to NPR’s Pod Club newsletter at npr.org/podclub.

This episode was produced by Corey Antonio Rose. It was edited by Neena Pathak. We had engineering support from Josephine Nyounai. Our Supervising Producer is Cher Vincent. Our Executive Producer is Barton Girdwood. Our VP of Programming is Yolanda Sangweni.

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They just completed all of L.A. Times’ 101 Best California Experiences — and we’ve got questions!

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They just completed all of L.A. Times’ 101 Best California Experiences — and we’ve got questions!

By December of 2023, Paul Preston realized that his girlfriend Susan Huckle was a big fan of road trips and lists. So for Christmas, he gave her L.A. Times’ ”101 Best California Experiences” zine, a traveler’s bucket list highlighting my top destinations throughout my four decades of traveling the state.

The gift, I’m delighted to hear, was a hit.

Preston and Huckle went through it and checked off locations they’d seen already. Then they hit the road.

And now, after two and a half years of roaming the state between work assignments, they’re back to report that they’ve covered all 101 locations on that list. Though the two have also traveled beyond state lines, the quest to cover California “totally informed our lives for the last two or three years,” said Huckle, who sent me a note of thanks after ticking the last box.

After the note arrived, I was eager to call them and learn more. I caught the couple, of course, in the middle of a day trip.

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Susan Huckle and Paul Preston set out to visit every spot on the L.A. Times’ 2023 list of “101 Best California Experiences.” Along the way, they got married in Yosemite Valley.

(Nick Wuthrich)

“We’re out exploring,” Preston said. “So you’re getting what we’re about.”

They’re also now married. That happened last July in Yosemite Valley, which, yes, was on the list.

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Huckle, 41, an actress, a host on “L.A. This Week” on Channel 35, a Universal Studios performer and an author, grew up in Santa Maria on California’s Central Coast.

Preston, 56, is also an actor. He leads movie location tours and hosts podcasts, movie trivia nights and special events. He grew up and went to college on the East Coast, so he had fewer California miles under his belt when the couple met in 2020.

Their California 101 travels began in early 2024 with a trip to Paso Robles, where they saw the green slopes along Highway 46, Morro Rock and the elephant seals at Piedras Blancas near Hearst Castle.

“And then,” Preston said, “we just kept going.”

Some of their most satisfying stops, the two agreed, were places they hadn’t heard of, such as Orange Works in the Central Valley town of Strathmore and Angel Island State Park, sometimes known as the Ellis Island of the West. Huckle called Angel Island “a marriage of natural beauty with great, powerful, historic information.”

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By early this year, there were only a few destinations left to check.

In April, they did the Indian Canyons and Sunnylands estate near Palm Springs, the Integratron near Joshua Tree and the Cheech Marin Center for Chicano Art & Culture in Riverside. In June, they rafted the South Fork of the American River, along with stops in Old Sacramento and, last of all, Columbia State Historic Park. Then they made their own favorites lists.

Susan Huckle’s top 10:

Yosemite Valley
Badwater Basin
Mammoth Mountain
Angel Island State Park
Cheech Marin Center
Joshua Tree National Park
American River South Fork
The Marshall Store on Tomales Bay
Santa Cruz Island
Sunnylands

Paul Preston’s top 10:

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Yosemite Valley
Hollywood Bowl
Griffith Observatory
Catalina
Mammoth Mountain
American River South Fork
Erick Schats’ Bakery in Bishop
Huntington Library and Gardens
Palm Springs Aerial Tramway
Balboa Park, San Diego

Now that they’ve seen so much of the state, I had questions. For one, which spots not on the list would they have included?

Alcatraz, they agreed. Also, as an admirer of redwoods, Preston liked Calaveras Big Trees State Park. As an avid cyclist, Huckle liked the 22-mile Marvin Braude Bike Trail from Torrance to Pacific Palisades.

And was anything on the list a disappointment?

“The Carmel Mission,” Huckle said quickly. “It’s beautiful and the missions are an important part of California history.” But she said the mission’s account of its own history seemed “whitewashed,” saying little about the Native loss and trauma that historians are increasingly recognizing in accounts of the missions.

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Said Huckle: “I was like, ‘C’mon guys, nobody really thinks this any more, right?’”

Now that they’re done with the Times’ “101 Best California Experiences,” what what will shape their next trips?

They have a list for that. Huckle picked up an L.A. guide, Danny Jensen’s “Secret Los Angeles,” and the couple plans to start where the book does, with the Triforium, a many-colored sculpture that went up outside City Hall in 1975 (and once featured music).

After that? Maybe the Faces of Elysian Valley, a traffic circle sculpture that Huckle said “looks like Easter Island in the middle of Cypress Park.”

That will leave only about 138 more destinations in the book to cover.

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If anybody can do it, it’s these two.

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