Emergency responders gather at the scene of a shooting where several people were reported dead including the shooter on May 26, 2021 at the San Jose Railyard in San Jose, California. - Multiple people were killed in a shooting Wednesday at a rail yard in California's Bay Area, police said, the latest instance of deadly gun violence in the United States. "I can't confirm the exact number of injuries and fatalities. But I will tell you that there are multiple injuries and multiple fatalities in this case," Russell Davis, a Santa Clara County Sheriff's deputy, told journalists, adding that the gunman was dead. (Photo by Amy Osborne / AFP) (Photo by AMY OSBORNE/AFP via Getty Images)
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WSJ: San Jose shooter had hatred for his workplace, DHS memo says
Situation Room
The gunman who killed nine people at a San Jose light rail yard was detained by US Customs and Border Protection officers in 2016, who found he had a hatred for his workplace where the mass shooting occurred, the Wall Street Journal reported, citing a Department of Homeland Security memo.
2:14 • Source: CNN
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Emergency responders gather at the scene of a shooting where several people were reported dead including the shooter on May 26, 2021 at the San Jose Railyard in San Jose, California. - Multiple people were killed in a shooting Wednesday at a rail yard in California's Bay Area, police said, the latest instance of deadly gun violence in the United States. "I can't confirm the exact number of injuries and fatalities. But I will tell you that there are multiple injuries and multiple fatalities in this case," Russell Davis, a Santa Clara County Sheriff's deputy, told journalists, adding that the gunman was dead. (Photo by Amy Osborne / AFP) (Photo by AMY OSBORNE/AFP via Getty Images)
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WSJ: San Jose shooter had hatred for his workplace, DHS memo says
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NEW YORK, NEW YORK - AUGUST 14: Members of the press report from the front of Thurgood Marshall United States Courthouse ahead of a Luigi Mangione court hearing on August 14, 2026 in New York City. Mangione is set to appear in court for his federal case, where he is expected to plead guilty to two federal counts of stalking. He is accused of fatally shooting UnitedHealthcare CEO Brian Thompson on Dec. 4, 2024, in Midtown Manhattan. Mangione has pleaded not guilty to the state charges. (Photo by Michael M. Santiago/Getty Images)
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Inside the courtroom where Luigi Mangione pleaded guilty
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NEW YORK, NEW YORK - AUGUST 11: Luigi Mangione attends a pre-trial appearance at Manhattan Criminal Court on August 11, 2026 in New York City. Mangione is accused of fatally shooting UnitedHealthcare CEO Brian Thompson and faces state and federal murder charges. (Photo by Steven Hirsch-Pool/Getty Images)
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Luigi Mangione pleads guilty to federal stalking charges in killing of UnitedHealthcare CEO
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Defense lawyer Karen Friedman Agnifilo speaks to the media outside Manhattan Criminal Court following a hearing in the federal murder trial of Luigi Mangione, who is charged in the killing of UnitedHealthcare CEO Brian Thompson, in New York City, U.S., August 14, 2026. Luigi Mangione admitted in court on Friday to killing UnitedHealthcare CEO Brian Thompson and pleaded guilty to federal charges of stalking the executive with the intent to kill him. REUTERS/Jordan Tovin
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Attorney: 'Mr. Mangione has accepted full responsibility for the death of Brian Thompson'
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Luigi Mangione attends a pre-trial appearance at Manhattan Criminal Court, in New York City, U.S., August 11, 2026. REUTERS/David Dee Delgado/Pool
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Mangione speaks in court: 'I shot Mr. Thompson and he died'
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