WASHINGTON — Amid growing national security concerns, the FBI said Tuesday that it has launched a broad investigation in the deaths or disappearances of at least 10 scientists and staff connected to highly sensitive research, including four from the Los Angeles area.
“The FBI is spearheading the effort to look for connections into the missing and deceased scientists. We are working with the Department of Energy, Department of War, and with our state and state and local law enforcement partners to find answers,” the agency said in a statement.
The FBI’s announcement comes after the House Oversight Committee announced that it would investigate reports of the disappearance and deaths of the scientists, sending letters seeking information from the agencies involved in the federal inquiry as well as NASA, which owns the Jet Propulsion Laboratory in La Cañada Flintridge, where three of the missing or dead scientists worked.
“If the reports are accurate, these deaths and disappearances may represent a grave threat to U.S. national security and to U.S. personnel with access to scientific secrets,” Reps. James Comer (R-Ky.), chairman of the committee, and Eric Burlison (R-Mo.) wrote in the letters.
President Trump told reporters last week that he had been briefed on the missing and dead scientists, which he described as “pretty serious stuff.” He said at the time that he expected answers on whether the deaths were connected “in the next week and a half.”
Michael David Hicks, who studied comets and asteroids at JPL, was the first of the scientists who disappeared or died. He died on July 30, 2023, at the age of 59. No cause of death was disclosed.
A year later, JPL physicist Frank Maiwald died at 61, with no cause of death disclosed.
Two other Los Angeles scientists are part of the string of deaths and disappearances.
On June 22, 2025, Monica Jacinto Reza, a materials scientist at JPL, disappeared while on a hike near Mt. Waterman in the San Gabriel Mountains.
On Feb. 16, Caltech astrophysicist Carl Grillmair was fatally shot on the porch of his Llano home. The Los Angeles County Sheriff’s department arrested Freddy Snyder, 29, in connection with the shooting. Snyder had been arrested in December on suspicion of trespassing on Grillmair’s property.
There is no evidence at this point that the deaths and disappearances, which occurred over a span of four years, are connected.
A spokesperson for NASA, which owns JPL, said in a statement on X that the agency is “coordinating and cooperating with the relevant agencies in relation to the missing scientists.
“At this time, nothing related to NASA indicates a national security threat,” agency spokesperson Bethany Stevens wrote. “The agency is committed to transparency and will provide more information as able.”
Representatives from Caltech did not immediately respond to a request for comment.
Lil Tjay’s attorney is denying that the rapper was involved with Offset’s shooting.
Dawn M. Florio, the rapper’s apparent attorney, posted a statement on Instagram on Tuesday slamming “false rumors” that Lil Tjay was involved at the incident that occurred Monday at the Seminole Hard Rock Hotel & Casino in Hollywood, Fla.
“Lil Tjay has not been shot, nor has Lil Tjay been charged with any shooting,” the statement says. “Any reporting to the contrary is false. We encourage people to consult trusted news sources, and to verify the accuracy of any reporting, before reflexively sharing or repeating baseless rumors.”
The Seminole Police Department previously told The Times that one of the two individuals arrested Monday in connection to the incident related to Offset’s shooting was Tione Jayden Merritt. The 24-year-old is known professionally as Lil Tjay. Merritt was booked into a Broward County jail on charges of disorderly conduct and operating a vehicle without a valid license.
As of Tuesday morning, charges had not been filed against the second detainee.
According to police, the incident began as a fight near the hotel valet. After Offset was shot, he was transported to Memorial Regional Hospital in Hollywood and was listed as in stable condition.
Born Kiari Cephus, Offset gained prominence as a member of rap trio Migos along with fellow Georgia rappers Quavo and Takeoff. The group was founded in 2008 and together until Takeoff was fatally shot in 2022. Offset shares three children with estranged wife Cardi B.
Times staff writer Clara Harter contributed to this report.
With just over five minutes left in UCLA’s first-round win over California Baptist on Saturday, freshman Sienna Betts took a shot. She missed. She grabbed the rebound. She missed again. Then, she put it in the basket.
On the bench, her older sister, Lauren Betts, was laughing. No. 1 seed UCLA was up big late, the Bruins were going to advance and Lauren was getting joy from seeing her sister succeed — and fail.
“I’m like, Sienna, just make the shot, and she’s laughing; she’s not serious,” Lauren said.
The sisters recorded double-doubles during the 96-43 win that secured the Bruins a second-round date with Oklahoma State. Sienna had 10 points and 12 rebounds, six of them offensive, and Lauren had 22 points and 10 rebounds.
UCLA freshman forward Sienna Betts plays tight defense on California Baptist guard Sofia Alonso during the Bruins’ first round NCAA tournament win Sunday at Pauley Pavilion.
(Gina Ferazzi/Los Angeles Times)
“She is so hard on herself and she’s so driven, I think her humor is actually a saving grace for her,” UCLA coach Cori Close said of Sienna. “It’s sort of a light moment. It’s laughter. Because when she’s not smiling and bringing joy, she’s usually beating herself up for a mistake. As she continues to grow in that, I hope it doesn’t have to be her escape, but I just have absolutely enjoyed Sienna so much.”
The sisters have only this season to play together before Lauren, a senior, graduates. They played just one season together in high school in Colorado, and this season might be the last time they are ever on the same team.
“It’s this weird thing, on the one hand, I want them to enjoy this connection they have,” Close said. “I want them to enjoy this year. They will look back on this year and just really treasure it.
“Simultaneously, I want to especially treat Sienna on her own journey, and to not make her feel like she’s in the shadows of anything that Lauren is doing.”
Sisters have posted double-doubles in the NCAA tournament before. At Stanford, Nneka and Chiney Ogwumike did it multiple times in the early 2010s. In the 1980s, USC twins Pamela and Paula McGee averaged double-double their senior years.
But it’s a rarity, and one that could only happen this season for the UCLA sisters.
Sienna, though, didn’t want to make a big deal of it. Sitting to the side in the locker room after the win over California Baptist, she was critical of her own game, just the way Close expected.
“I’m trying to focus more on just that game and just taking what we can learn from our mistakes in the first half, especially, and trying to move on,” Sienna said. “But, I mean, I think in an hour, I’ll take that in and be more excited about that.”
Lauren said she thought Sienna played one of her better games of the season.
“Honestly, besides her scoring, I thought her defense was a lot better today and I know that’s something she wanted to get better at,” Lauren said Saturday. “She was just really proud of her slides. Like she didn’t say anything about her points. She was like, I’m so glad that I can guard them. I worked so hard on that.”
Sienna has had back-to-back strong efforts, with 14 points against Iowa in the Big Ten tournament championship game two weeks ago. She has done so without being hounded by her big sister.
“I think [Lauren] respects my boundary to figure it out on my own,” she said.
Lauren, meanwhile, has averaged 16.5 points and 8.7 rebounds per contest this season. The projected WNBA lottery pick is considered one of the best centers in the nation.
UCLA center Lauren Betts drives to the basket under pressure from California Baptist forward Grace Schmidt during the NCAA tournament on Saturday at Pauley Pavilion.
(Gina Ferazzi/Los Angeles Times)
“I love the moments you catch when they have a connection and an eye contact or a smile that is different than everybody else because they are sharing it as sisters and I just think how special that is,” Close said. “That’s so wonderful.”
Charlisse Leger-Walker played with her sister, Krystal Leger-Walker, at Washington State for two seasons. There, the duo shared time in the backcourt for an up-and-coming Cougars squad.
“It’s just a different connection,” Charlisse Leger-Walker said. “Out there, you have someone who is your blood and unconditional love and support. And it’s just awesome to be able to see [Lauren and Sienna] in their journey, and have so much success early.”
Sienna will carry the torch for the Bruins beyond this season when the majority of the veteran roster graduates and many go pro.
That’s when she could be the face of the program on her own. But first, she is working to extend an NCAA tournament run alongside her sister.
“I want Sienna to feel like she’s Sienna,” Close said. “She’s not Lauren’s sister. She can enjoy that, but for our team, she’s Sienna Betts.”
If David Nihill was a philosopher, his credo might be “I digress, therefore I am.”
Instead, Nihill is a comedian. Kind of. “I don’t know if I think of myself in those terms,” says Nihill, whose “Cultural Appreciation” special has 2.5 million views on YouTube. “I wouldn’t even call mine comedy specials.”
Nihill is a conversational storyteller who rarely even moves on stage. “I don’t know how to do performance,” he says, “but I do know how to talk.”
His current show, “Taking Tangents,” which takes him to Irvine, Pasadena and Los Angeles from March 13 to 17, is a wide-ranging collection of tales, with some material shifting from show to show. We’ll come back to it, but first, a few tangents.
Growing up in Ireland, Nihill, 47, struggled to learn, hampered by dyslexia — “I came in the lowest five percentile in the whole country of Ireland for spelling, and I didn’t even spell my name right on the test” — and an aversion to math. He was made to feel inferior because of his difficulties. “I was 100% in the ‘I am a moron’ category,” he says.
Nihill was shoved into a vocational program and most of his friends dropped out of school. He stayed in, but even when his father offered to buy him a Super Nintendo for certain math scores, Nihill fell short. His father bought it for him anyway, he says, “but I sold it and bought myself a motorcycle even though I was 15 and not legally old enough to drive.”
He finished high school and became a poorly paid, overworked apprentice electrician. That was enough to motivate him to go to college; there, he figured out how his brain worked and how to learn. He even developed a passion for reading: His last show, “Shelf Life,” wove in dozens of book recommendations.
During our conversation via video after a New York show, I’d ask one question, then follow Nihill as he ambled through his personal history. He started with a story about jumping off a cliff in Greece and shattering his leg — a part of “Tangents” — then going to Australia, before he stumbled into a master’s degree studying business back in Ireland (despite botching his application). A new friend there took him to his first-ever comedy show in Glasgow — there are even tangents within his digressions — before getting him a job with Enterprise Ireland, the government’s investment fund to boost Irish business overseas. That landed him in San Francisco, part of the “Cultural Appreciation” special. He left to pursue business opportunities in Mexico but, due to a hurricane, somehow ended up in Chile, spent a year wandering north toward America, and then scored an internship in Colombia.
Nihill is a conversational storyteller who rarely even moves on stage. “I don’t know how to do performance,” he says, “but I do know how to talk.”
(Jim McCambridge)
Eventually, Nihill’s story works its way to his current career, which began by accident. “It was never a dream or a goal,” he says. A friend in San Francisco had suffered a spinal cord injury and Nihill wanted to run a fundraiser, but dreaded public speaking.
That leads to a minor diversion, back to a college public speaking course in which Nihill was so terrified that he got drunk before his presentation and introduced himself “as an exchange student from Southern Yemen.”
In San Francisco, he started doing live comedy to overcome that fear. Meanwhile, his business background led him to see an opportunity and he created FunnyBizz, a company and conference where comedians help teach business leaders, like Kevin Harrington of “As Seen on TV,” how to use humor to communicate. The business bankrolled Nihill’s early days in comedy.
While Nihill has lived in America for years, most recently in Los Angeles, he remains passionately Irish, which shapes his shows in several ways.
In Ireland, “your nature is to just default to funny stories.”
He says American stand-up is about taking a topic and making it funny, aspiring for a five-minute joke-filled late night TV spot. Irish comedians say, “This thing happened to me and I think that’s funny. Let me just repeat it.”
The new show is named after “tangents” so that Nihill can go down different rabbit holes each night if he wants. “My head is always doing 60 different things,” he says, and he loves keeping his storytelling “free form and unfiltered,” whether he’s in a pub or on stage (or, apparently, in an interview).
The new show’s subjects will be familiar to Nihill’s fans: his parents, his foolish behavior (there are drunken college-age antics in a story that somehow eventually weaves in White House press secretary Karoline Leavitt) and Irish culture. “There are few countries that punch above their weight in social justice and social impact,” he says, and he always looks to draw connections with other cultures around the world. But the observations and connections he draws are new.
In New York, he added a bit about how 35% of Jamaicans have some Irish roots, quipping “imagine how fast they’d be without that” (in a nod to legendary sprinters like Usain Bolt). But for Nihill, that joke only works if it’s couched within the larger context of the cross-cultural connections, including the fact that Jamaican-born political activist Marcus Garvey drew upon the Irish independence movement for inspiration.
“There has to be some social value to doing it,” he says, although he’s quick to add his comedy isn’t overtly political. “My dad’s a teacher and that lives inside of me. Humor can be the ultimate tool for social activism. I am deliberately getting people to expand their minds in understanding these connections. I want comedy that makes everyone feel good and maybe learn something.”
Nihill on stage at Hollywood Improv.
(Jim McCambridge)
That “feel good” part is central: While he discusses his mother’s death from cancer last year, he leaves out a beautiful but poignant part of their final days together. “I’m deliberately avoiding that,” he says, because he wants to maintain an upbeat mood.
He digresses to tell me the story, however, and it’s literally longer than this entire article’s word count. “A very long answer to a very short question,” he admits, before swerving into a tale about back when his father had overstayed his visa in New York — it involves his dad being interviewed on CNN, getting into a bar fight and avoiding deportation because the immigration officer hailed from County Cork and Nihill’s dad burst into a song from there, earning him a six-month visa extension. The humanity of that scene “in contrast to a 5-year-old being dragged off to a detention center” may end up in a future Nihill show.
Nihill loves sharing the stories that come from observing and listening to people but says he doesn’t love the spotlight, which, he admits, makes comedy an odd career choice. He says he prefers telling stories to just a few people.
“With comedy, the best part for me is that before a show I eat half a chocolate bar and I leave the other half in the hotel room,” he says. “After the show, I get to finish it. That’s true happiness.”
