Luigi Mangione

First in his class, valedictorian, Ivy League top university graduate, instructor at Stanford, private high school attendee, handsome, friendly, hailing from a very wealthy and successful family. And a murderer, with no previous criminal record. How can this be?

Areti Tsoukalas, daughter of Lefteris Tsoukalas, a professor of Nuclear Engineering at Purdue University in the United States, was diagnosed with leukemia three years ago at the age of just 23.

Luigi Mangione, the man suspected of killing UnitedHealthcare CEO Brian Thompson, is challenging his extradition to New York. The 26-year-old, who was arrested at a McDonald's in Altoona, Pennsylvania, on Monday, appeared at an extradition hearing at the Blair County Courthouse in Pennsylvania on Wednesday.

The man accused of fatally shooting UnitedHealthcare CEO Brian Thompson on a Manhattan street last week was found carrying a handwritten manifesto criticizing the U.S. healthcare system, New York police revealed Tuesday.

Luigi Mangione being led into court by police.

A 26-year-old man was arrested and charged with murder Monday in the targeted killing of a health insurance executive on the streets of New York, along with other violations.