The Ivy League Murder
A newly engaged Yale graduate student is gunned down by an unknown attacker after a fender bender. Was it extreme road rage or was he targeted? "48 Hours" correspondent Anne-Marie Green reports.
MIT
Yale grad student killed in what investigators feared was a perfect murder
No one could imagine why Kevin Jiang, 26, was the target of a shooting. But for months, someone Jiang never met had a secret plan to kill him.
How a MIT grad student planned a Yale student's near perfect murder
When Kevin Jiang was killed on Feb. 6, 2021, no one had any idea why he may have been targeted. But detectives would soon discover that someone had a secret plot to kill him.
Did a secret obsession lead a "genius" to murder a Yale grad student?
Kevin Jiang, 26, a Yale graduate student and former Army National Guardsman, was gunned down in New Haven, Connecticut. What appeared to be a road rage incident soon unraveled into a story of obsession and premeditation.
Brown University gunman confessed in videos
The man who killed two Brown University students and an MIT professor in December 2025 left confessional videos in the storage unit where investigators discovered his body, the FBI announced Tuesday. CBS News' Anna Schecter has more.
Tipster using Reddit was key in cracking Brown University shooting case, police say
Information from a tipster who posted on Reddit about a strange encounter with another man was key in cracking the Brown University and MIT shootings cases, police say.
Motive sought after suspect in Brown shooting, MIT professor's murder found dead
The Brown University shooting suspect was found dead in a storage unit in Salem, New Hampshire. Authorities believe he is also responsible for killing an MIT professor.
Police seek motive in deadly shootings
Authorities are seeking motive after the man responsible for the deadly shooting at Brown University and the murder of an MIT professor was found dead in a New Hampshire storage unit on Thursday.
How police found shooter in Brown, MIT shootings
The suspect in the Dec. 13 mass shooting on the campus of Brown University was found dead by suicide in a storage unit in Salem, New Hampshire, authorities said. He has been identified as 48-year-old Claudio Manuel Neves Valente, a former Brown grad student. Tom Hanson has more on how he was found.
Autopsy of Brown shooting suspect released
We are learning more about the 48-year-old man identified as the perpetrator of both the mass shooting at Brown University and the killing of an MIT professor. CBS News national investigative correspondent Tom Hanson has the latest.
Officials: Brown shooter killed MIT professor
The gunman behind the shooting at Brown University also killed an MIT professor on Monday, according to Leah Foley, U.S. attorney for the District of Massachusetts. See Foley's full remarks from Thursday night.
MIT professor remembered as brilliant scientist amid search for his killer
The still-unsolved shooting death of MIT professor Nuno Loureiro this week has sent shockwaves through the campus.
Brown University shooting suspect found dead
The suspect in the Dec. 13 mass shooting on the campus of Brown University was found dead in a storage unit in Salem, New Hampshire, Thursday night. Jessi Mitchell anchored CBS News' special report.
New Hampshire search connected to Brown shooting
Police searched an area in Salem, New Hampshire, Thursday night in connection with the recent killings at Brown University and MIT, sources told CBS News Boston. CBS News' Katrina Kaufman reports and retired FBI special agent and profiler Mary Ellen O'Toole joins with analysis.
New Hampshire search connected to Brown shooting
Police are searching an area in Salem, New Hampshire, in connection with the Brown University mass shooting and the killing of the MIT professor, sources told CBS News Boston. CBS News Boston's Penny Kmitt reports and Jeff Harp, retired FBI assistant special agent in charge, joins with analysis.
Police seek suspect in Brown shooting, sources say
A suspect seen pacing near the site of the shooting near Brown University has been identified by authorities, sources told CBS News. His name hasn't been released, but an arrest warrant has been issued. Meanwhile, sources say investigators are now looking into a possible connection between the shooting and the targeted killing of an MIT professor two days later. Tom Hanson reports.
Cops probing connection between Brown, MIT shootings
Law enforcement is investigating possible connections between the mass shooting at Brown University on Saturday afternoon and the targeted killing of an MIT professor two days later, sources tell CBS News. CBS News' Anna Schecter reports and former Suffolk County Police Commissioner Rodney Harrison joins with analysis.
Person of interest ID'd in Brown shooting
Multiple sources tell CBS News a person of interest has been identified in the mass shooting at Brown University. CBS News' Tom Hanson reports.
Police investigate shooting death of MIT professor
Authorities are investigating after Nuno Loureiro, an MIT professor, was shot and killed in his home. CBS Boston's Penny Kmitt reports.
MIT professor's killing remains a mystery amid homicide investigation
Nuno Loureiro, a 47-year-old physicist and fusion scientist, was shot Monday night at his home in Brookline, Massachusetts.
Trump asks colleges to sign letter or risk losing funds
Last week, the Trump administration sent a letter to nine U.S. universities, asking them to pledge support for the administration's political agenda or risk losing access to federal funding. Tyler Coward, lead counsel for the government affairs at FIRE, the Foundation for Individual Rights and Expression, joins "The Daily Report."
How a young man's brilliance was unlocked by his father's persistence
Viraj Dhanda, a nonspeaking autistic teen, spent the first 14 years of his life trying to learn the basics, until his brilliance was suddenly unlocked by his father with the help of Viraj's right thumb.
How a father unlocked his son's brilliance
Viraj Dhanda, a nonspeaking Massachusetts teen with autism, spent the first 14 years of his life trying to learn the basics, until his father suddenly unlocked his brilliance with the help of Viraj's right thumb. Now, he's headed to MIT, one of the most prestigious universities in the world. Steve Hartman has his extraordinary story.
Study examines impact of AI use on brain
A new MIT study finds that over-reliance on artificial intelligence can reduce brain activity and critical cognitive functions. Nataliya Kosmyna, lead author of the study, joins CBS News to break down the findings.
MIT's mini cheetah robots show off flips
Researchers at the Massachusetts Institute of Technology are making headlines for their small army of “mini cheetah robots.” According to MIT News, the robots weigh about 20 pounds and researchers say they are "virtually indestructible." But don't expect them to hit store shelves anytime soon. MIT said it created the bots to be a tool for researchers.
Exclusive
Less than 14% of those ICE arrested had violent criminal records, data show
The official DHS statistics, which had not been previously reported, provide the most detailed look yet into who ICE has arrested during the Trump administration's crackdown.
Savannah Guthrie pleads for public's help in search for missing mom Nancy
"Today" show co-host Savannah Guthrie issued a plea for the public's help on Monday at what she called "an hour of desperation" in the search for her mother, Nancy.
U.S. Olympian responds after Trump calls him "a real loser"
U.S. Olympian Hunter Hess said "there is so much that is great about America, but there are always things that could be better," a day after President Trump lashed out at him.
DOJ asks to dismiss Steve Bannon's criminal charges
The Justice Department is moving to toss out its case against former Trump adviser Steve Bannon, who was jailed for declining to testify before the House Jan. 6 panel.
Lindsey Vonn says "I have no regrets" in first social media post after crash
Lindsey Vonn posted on Instagram a day after suffering a broken leg in a devastating crash at the Winter Olympics in Italy.
Best and worst Super Bowl commercials of 2026 as rated by experts
Google and Pepsi were among the best ads of the Big Game, while Coinbase and ai.com got failing grades, according to one ranking.
Why importing more beef from Argentina won't ease costs for U.S. consumers
Taming runaway U.S. beef prices will require more than stepping up imports, economists said. Here's the key to cutting costs.
See the Olympic medal count for the 2026 Winter Games
Here is a look at where the medal count stands for Team USA and other nations as the competition heats up in the 2026 Winter Olympics.
Catherine O'Hara's cause of death was a pulmonary embolism
Catherine O'Hara, known for her roles in "Home Alone," "Schitt's Creek" and "Beetlejuice," died on Jan. 30 at the age of 71.
U.S.
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In court, social media giants accused of "addicting the brains of children"
Instagram's parent company Meta and Google's YouTube dispute claims that their platforms deliberately addict and harm children.
Federal judge blocks California law banning law enforcement agents from wearing masks
A federal judge has blocked a California law from going into effect that would ban federal immigration agents from covering their faces but they will still be required to wear clear identification showing their agency and badge number.
Catherine O'Hara's cause of death was a pulmonary embolism
Catherine O'Hara, known for her roles in "Home Alone," "Schitt's Creek" and "Beetlejuice," died on Jan. 30 at the age of 71.
DOJ asks to dismiss Steve Bannon's criminal charges
The Justice Department is moving to toss out its case against former Trump adviser Steve Bannon, who was jailed for declining to testify before the House Jan. 6 panel.
41 U.S. states are getting warmer, each in its own way, report says
Researchers at two Spanish universities found that 84% of the contiguous U.S. states has shown signs of warming over the last 70 or so years, which is more than previously suggested.
MoneyWatch
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In court, social media giants accused of "addicting the brains of children"
Instagram's parent company Meta and Google's YouTube dispute claims that their platforms deliberately addict and harm children.
OpenAI starts testing ads in free version of ChatGPT
ChatGPT will clearly distinguish between ads and answers to user prompts on the AI platform, according to OpenAI.
Why importing more beef from Argentina won't ease costs for U.S. consumers
Taming runaway U.S. beef prices will require more than stepping up imports, economists said. Here's the key to cutting costs.
Starbucks adds menu items as it looks to energize growth
New items, such as a strawberry matcha loaf, represent the chain's latest effort to boost sales as part of its "Back to Starbucks" campaign.
How much gold is in an Olympic gold medal, and how much is it worth?
Olympic medals have what's known as a "melt value." But they're worth far more financially than their mineral contents, an auction expert notes.
Politics
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Federal judge blocks California law banning law enforcement agents from wearing masks
A federal judge has blocked a California law from going into effect that would ban federal immigration agents from covering their faces but they will still be required to wear clear identification showing their agency and badge number.
U.S. Olympian responds after Trump calls him "a real loser"
U.S. Olympian Hunter Hess said "there is so much that is great about America, but there are always things that could be better," a day after President Trump lashed out at him.
DOJ asks to dismiss Steve Bannon's criminal charges
The Justice Department is moving to toss out its case against former Trump adviser Steve Bannon, who was jailed for declining to testify before the House Jan. 6 panel.
Ghislaine Maxwell's lawyer says she'll testify if Trump grants her clemency
Ghislaine Maxwell's lawyer said she would be willing to cooperate with a House panel's probe if President Trump grants her clemency, and would testify that he is "innocent of any wrongdoing."
Exclusive
Less than 14% of those ICE arrested had violent criminal records, data show
The official DHS statistics, which had not been previously reported, provide the most detailed look yet into who ICE has arrested during the Trump administration's crackdown.
HealthWatch
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Hospital flooded by Hurricane Helene to be rebuilt in another flood plain
Ballad Health, the nation's largest state-sanctioned hospital monopoly, plans to rebuild Unicoi County Hospital in Tennessee on land that two climate modeling companies say is at risk of flooding.
Her deadly diagnosis only had 1 warning sign. Here's how she survived.
Becca Valle, then 37, enrolled in a cutting-edge clinical trial after surgery removed an aggressive tumor from her brain.
California urges avoiding wild mushrooms after deaths, liver transplants
More than three dozen cases of death cap mushroom poisonings have been reported in California since November, health officials said.
See the 43 drugs available on new discounted drug site TrumpRx
Here's what to know about TrumpRx, including how it works, who can use it, and how much money it can save.
White House launches TrumpRx discounted drug site
The Trump administration launched its new TrumpRx direct-to-consumer prescription drug listing site late Thursday, part of a push to offer medication at steep discounts.
World
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U.S. Olympian responds after Trump calls him "a real loser"
U.S. Olympian Hunter Hess said "there is so much that is great about America, but there are always things that could be better," a day after President Trump lashed out at him.
See the Olympic medal count for the 2026 Winter Games
Here is a look at where the medal count stands for Team USA and other nations as the competition heats up at the 2026 Winter Olympics.
Why importing more beef from Argentina won't ease costs for U.S. consumers
Taming runaway U.S. beef prices will require more than stepping up imports, economists said. Here's the key to cutting costs.
U.S. makes final in Olympic curling mixed doubles, facing Sweden for gold
Team USA's mixed doubles curling gold medal match against Sweden is slated for Tuesday, Feb. 10.
Meet the American girl skiing into Philippines Winter Olympics history
Skier Tallulah Proulx, 17, was raised in the U.S., but she's making Olympic history as the Philippines' first female, and youngest athlete in any Winter Games.
Entertainment
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Entertainment
Analyzing best and worst Super Bowl LX ads
Just 30 seconds of highly coveted commercial airtime during the Super Bowl costs as much as $10 million, according to CBS News MoneyWatch. Bill Pearce, marketing faculty member at The University of California, Berkeley, joins to discuss some of the ads from Super Bowl LX.
Could Trump's Bad Bunny attacks alienate Latinos?
Bad Bunny's historic Super Bowl halftime show included superstar surprise guests and a message of unity and cultural celebration. While many praised the performance, President Trump took to social media to criticize the show. CBS News political director Fin Gómez joins with analysis.
Bad Bunny and the politics of the Super Bowl
The Super Bowl is a football game, an entertainment spectacle, a global billboard and a crucible of American political discord. CBS News chief Washington correspondent Major Garrett explains.
Catherine O'Hara's cause of death was a pulmonary embolism
Catherine O'Hara, known for her roles in "Home Alone," "Schitt's Creek" and "Beetlejuice," died on Jan. 30 at the age of 71.
Cultural impact of Bad Bunny's performance
Ingrid Fajaro, a staff writer at Billboard, joins CBS News 24/7 to discuss the cultural impact of Bad Bunny's halftime performance at Super Bowl LX.
Technology
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In court, social media giants accused of "addicting the brains of children"
Instagram's parent company Meta and Google's YouTube dispute claims that their platforms deliberately addict and harm children.
Trial over social media addiction in kids begins
Opening statements began Monday in Los Angeles in a landmark trial over alleged social media addiction in children. CBS News correspondent Carter Evans has the details.
How AI powered robots are helping small farms
From labor shortages to environmental impacts, farmers are looking to AI to help revolutionize the agriculture industry. One California startup, Farm-ng, is tapping into the power of AI and robotics to perform a wide range of tasks, including seeding, weeding and harvesting.
OpenAI starts testing ads in free version of ChatGPT
ChatGPT will clearly distinguish between ads and answers to user prompts on the AI platform, according to OpenAI.
Super Bowl fans warned to leave drones at home amid flight ban
The FAA says it is collaborating with the FBI to detect, track and assess unauthorized drone activity at the Super Bowl.
Science
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Scientists "quite surprised" to find one polar bear population thriving
After decades monitoring polar bears in Norway's far north, researchers say the animals have proven incredibly adaptable, but there are no guarantees for the future.
Mysterious dark matter seen in new map of distant galaxies
Dark matter doesn't absorb or give off light so scientists can't study it directly. But they can observe how its gravity warps and bends the star stuff around it.
Cow develops technique to scratch herself
"CBS Saturday Morning" learns more about Veronika, the clever cow who figured out multiple ways to scratch herself with a broom. It was the first time a cow was seen using a tool.
Almanac: January 18
"Sunday Morning" looks back at historical events on this date.
Fossils found at Dinosaur National Monument, first excavation in 100 years
The Dinosaur National Monument, which is located on the border between Colorado and Utah, was last excavated in 1924.
Crime
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Crime
Second ransom deadline for Guthrie passes
A second ransom deadline passed Monday for Nancy Guthrie, the mother of "Today" show co-host Nancy Guthrie. CBS News correspondent Jonathan Vigliotti reports on the search and former FBI special agent Jeff Harp joins to discuss the situation.
Search for Nancy Guthrie in Day 9
The children of Nancy Guthrie, including "Today" show co-anchor Savannah Guthrie, are praying for signs of life more than a week after their mother disappeared. CBS News reporter Andres Gutierrez has more from Tucson, Arizona.
Savannah Guthrie: "An hour of desperation"
Savannah Guthrie released a new video on Monday, pleading for the public's help in finding her mother, Nancy. CBS News reporter Andres Gutierrez has the latest.
Savannah Guthrie asks for public help for mom
"Today" show co-host Savannah Guthrie posted a new video Monday pleading for the public's help in the search for her missing mother, Nancy. CBS News' Andres Gutierrez has more.
Cops: 1 in custody after Maryland school shooting
Police say one person is in custody after at least one person was shot at a Maryland high school on Monday. CBS affiliate WUSA reports.
Space
More Space
New space station crew eager for Wednesday launch
The new crew will replace four station fliers who returned to Earth ahead of schedule last month due to a medical issue.
What led NASA to delay Artemis II launch
NASA's first crewed moon mission in more than 50 years has been delayed until March at the earliest. During a routine dress rehearsal of the launch, persistent liquid hydrogen leaks were discovered in the Artemis II rocket. CBS News space consultant Bill Harwood breaks it down.
NASA hopes to fix Artemis II moon rocket leak with on-pad repair
NASA plans to test the planned leak repair with a second dress rehearsal fueling test later this month.
NASA delays Artemis II launch
NASA delayed the Artemis II moon rocket launch after a hydrogen leak was found during a wet dress rehearsal, the agency announced Tuesday. CBS News senior space consultant Bill Harwood has the latest.
NASA begins mission to map the boundaries of our heliosphere
A NASA mission is underway to map the heliosphere, which is a huge protective bubble around the solar system that was created by the sun.
Latest Galleries
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Notable Deaths in 2026
A look back at the esteemed personalities who've left us this year, who'd touched us with their innovation, creativity and humanity.
Evidence in the Barbara Kendhammer case
Does the evidence show a cover-up, or was Todd Kendhammer wrongfully convicted for the murder of his wife?
The life & near death of prizefighter Christy Salters-Martin
Christy Salters-Martin dominated in the boxing ring but faced her toughest challenger at home.
Timeline: The disappearance of George Smith
Family seeks answers in death of newlywed who disappeared in 2005 while on Mediterranean honeymoon cruise.
Who is Alix Tichelman?
Meet the tattooed beauty charged in the death of Google executive Forrest Hayes.
Latest CBS News Videos
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Latest CBS News Videos
Analyzing best and worst Super Bowl LX ads
Just 30 seconds of highly coveted commercial airtime during the Super Bowl costs as much as $10 million, according to CBS News MoneyWatch. Bill Pearce, marketing faculty member at The University of California, Berkeley, joins to discuss some of the ads from Super Bowl LX.
Player's mom didn't know Super Bowl was a big deal
Nick Emmanwori just won it all in his rookie season as a safety with the Seattle Seahawks, and his mom was somewhere in that cheering crowd of 70,000. But Justina Emmanwori is not your typical football mom. Tony Dokoupil has more on her viral interview.
Ghislaine Maxwell pleads Fifth in House deposition
Ghislaine Maxwell, a longtime associate of convicted sex offender Jeffrey Epstein who herself was convicted of sex trafficking in 2021, invoked her Fifth Amendment right against self-incrimination and refused to answer questions during a virtual appearance before the House Oversight and Government Reform Committee. Scott MacFarlane reports.
Could Trump's Bad Bunny attacks alienate Latinos?
Bad Bunny's historic Super Bowl halftime show included superstar surprise guests and a message of unity and cultural celebration. While many praised the performance, President Trump took to social media to criticize the show. CBS News political director Fin Gómez joins with analysis.
Trial over social media addiction in kids begins
Opening statements began Monday in Los Angeles in a landmark trial over alleged social media addiction in children. CBS News correspondent Carter Evans has the details.