Investigators are searching for a motive in the assassination of UnitedHealthcare CEO Brian Thompson as murder suspect Luigi ...

The man charged with killing UnitedHealthcare CEO Brian Thompson on a Manhattan street was seen near a Port Authority bus ...

The man charged with murder in the killing of the CEO of UnitedHealthcare made it clear he wasn’t going to make things easy ...

Luigi Mangioni, the suspect in the killing of UnitedHealthcare CEO Brian Thompson, wrote online of the “devastating” effect a chronic back condition had on him as a young man.

Authorities have hinted at new details regarding Mangione’s potential motive, shedding light on the shocking ambush that led to his arrest after a five-day manhunt ended at a Pennsylvania McDonald’s.

Luigi Mangione's defense attorney Thomas Dickey has said he has 'not been made aware of any evidence' that links his client ...

Luigi Mangione, 26, plans to challenge his extradition from Pennsylvania to New York, where he faces a charge of second-degree murder in connection with Thompson's Dec. 4 outside a Midtown Manhattan ...

This marks the first positive forensic match investigators say directly ties Mangione to the crime scene outside of a Midtown ...

Former FBI agent Scott Duffey stops by FOX 29 to help break down the latest developments in the case against alleged CEO ...

Amazon took down merchandise with the phrase, “Delay, Defend, Deny” on it, while some platforms like eBay have allowed items with the phrase to remain available as of Wednesday morning.

Reporters caught up with one of the people who spotted the suspected killer of UnitedHealthcare CEO Brian Thompson at a McDonald’s in Altoona, Pennsylvania.

Luigi Mangione yelled to the press about "an insult to the intelligence of the American people" as he was physically dragged ...