Luigi Mangione, 26, was arrested in connection with UnitedHealthcare CEO Brian Thompson's killing after a McDonald's employee in Pennsylvania called police.

In an entry in the notebook dated Aug. 15, Mangione allegedly wrote he “was glad” that he procrastinated in his preparations because it “allowed him to learn more” about UHC.

In a small town like Jewell, Iowa, your success is the community's success. Brian came from humble beginnings and worked his way to the top.

Up to $60,000 in reward money from the FBI and the New York Police Department's Crime Stoppers program was offered for tips leading to a break in the fatal shooting of UnitedHealthcare CEO Brian Thompson.

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

Police provided security at Monday's funeral service in Minnesota for UnitedHealthcare CEO Brian Thompson, who was fatally shot last week in New York City.

Chris Rock made a few brutal jokes about UnitedHealthcare CEO Brian Thompson’s suspected killer Luigi Mangione on ‘Saturday Night Live’

A grinning Luigi Mangione appeared to yuk it up in a Manhattan courtroom Monday as he entered a plea in the murder of UnitedHealthcare CEO Brian Thompson.

Luigi Mangione, the suspect in the fatal shooting of UnitedHealthcare CEO Brian Thompson on a busy sidewalk in Midtown Manhattan, is expected to be arraigned early Monday morning in New York on state murder and terror charges.

Now, less than a decade later, Mr Mangione has been charged as a suspect in the high-profile killing of a UnitedHealth executive in New York City – a brazen shooting that set off a tense five-day manhunt that culminated in his capture.

Luigi Mangione pleaded not guilty to first-degree murder and terror offenses in Manhattan Supreme Court Monday stemming from the fatal shooting of UnitedHealthcare CEO Brian Thompson. Wearing a burgundy sweater,