Ballistics and fingerprints will be key pieces of evidence used to build a murder case against Luigi Mangione.

Before his arrest this week in the killing of UnitedHealthcare’s CEO, Mangione’s family desperately tried to find him, ...

Police in California gave the FBI a tip about alleged UnitedHealthcare CEO killer Luigi Mangione a number of days before he ...

Luigi Mangione is believed to be a person of interest in last week's deadly shooting of UnitedHealthcare CEO Brian Thompson, ...

The 26-year-old former data engineer's political ideology, steeped in a hodgepodge of online Silicon Valley tech philosophy ...

A San Francisco police investigator recognized Luigi Mangione from a wanted bulletin poster days before his arrest, a source ...

A tip that was given to the San Francisco Police Department helped FBI investigators identify the UnitedHealth CEO suspected ...

The FBI confirmed that it had received the tip about the shooting suspect's identity and passed it on to the New York Police ...

The New York Field Office of the FBI on Friday confirmed that San Francisco police provided a tip regarding the possible ...

The day after a masked gunman killed the CEO of UnitedHealthcare in New York City, police in San Francisco gave the FBI a ...

In the five days between the killing of UnitedHeathcare CEO Brian Thompson and the arrest of suspect Luigi Mangione, it ...

A San Francisco police officer reportedly contacted the FBI four days before Mangione was arrested, saying he recognized the ...