Authorities are looking into online accounts believed to be those of Luigi Mangione, the 26-year-old Ivy League graduate ...

The ghost gun allegedly in Luigi Mangione's possession when he was arrested has been matched to three shell casings recovered ...

Mangione stunned the nation by reaching the pinnacle of this world — as valedictorian of the city’s most elite private boys ...

And as the quality of 3D printers rises as prices fall, the trend shows no signs of stopping, threatening to make America a ...

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Thompson's murder ignited online anger at the health insurance industry and some people online have celebrated the suspect.

Luigi Mangione, who is accused of killing Brian Thompson in New York, could face additional charges, according to Manhattan ...

Luigi Mangione, 26, was arrested at a McDonald's in Altoona, Pennsylvania, and charged in connection with the killing of ...

UnitedHealth Group CEO Andrew Witty encouraged colleagues to continue making health care work better for everybody after the ...

Speculation about a potential motive in the murder of UnitedHealthcare CEO Brian Thompson has focused on the suspect's ...

Of more than 200 tips sent to the NYPD regarding the murder of UnitedHealthcare CEO Brian Thompson, none named suspect Luigi ...