Investigators have uncovered evidence that Luigi Mangione had prior knowledge UnitedHealthcare was holding its annual ...

More than 400 tips were called into the New York Police Department's tip line during the five-day search for the masked ...

The New York City Police Department provided new details on what it believes was the motive in the fatal shooting of ...

"We have no indication that he was ever a client of United Healthcare," an NYPD official said of Luigi Mangione.

Police say the evidence against Luigi Mangione includes fingerprints and notebook entries linking him to the shooting death ...

UnitedHealthcare CEO Brian Thompson's alleged killer was taken into custody late Monday as police search for a motive and the ...

Luigi Mangione was arrested on gun charges in Pennsylvania and faces a murder charge in New York for the death of ...

The 26-year-old dropped off the face of the earth soon after leaving his co-living space in Hawaii and setting off to Asia ...

As police continue to scour the history of the suspected shooter who gunned down an insurance CEO on a midtown Manhattan ...