Five days after UnitedHealthcare CEO Brian Thompson was shot and killed in Manhattan, police arrested and charged a 26-year-old man.

Thompson was on his way to an investor meeting in New York City on Wednesday when a person came up from behind and shot him in the chest. He was pronounced dead shortly afterwards.

Officials searched the city for days for a suspect, but later said they believed the person had fled New York after the shooting. Luigi Mangione was arrested in Pennsylvania on Monday.

Here’s what you should know about the case so far.

Mangione is from Maryland and worked as a data engineer

Mangione was taken into custody by police in Altoona, Pennsylvania after he was recognized at a local McDonald’s and reported to authorities.

He is accused of, among other things, murder, illegal possession of weapons and lying about his identity.

At the time of his arrest, Mangione was carrying a ghost gun believed to have been used in the shooting, a fake ID and three pages of text that may have suggested his motive, police said.

NYPD Chief Detective Joseph Kenny said the document in Mangione’s possession showed a certain “antipathy toward corporate America.”

Online reports and school records indicate Mangione is from the Baltimore area and was the valedictorian of the private Gilman School. He graduated from the University of Pennsylvania with a bachelor’s and master’s degree in computer science with a focus on artificial intelligence. According to his LinkedIn profile, he most recently worked as a data engineer and lived in Hawaii.

His interests ranged from literature to philosophy. In an online review of a book by Theodore Kaczynski, aka “Unabomber,” Mangione wrote: “It’s easy to quickly and thoughtlessly dismiss this as a madman’s manifesto in order to avoid confronting some of the unpleasant problems it poses.” brings with it.” identified. But it’s simply impossible to ignore how prescient many of his predictions about modern society were.

Mangione has no known criminal history, police said.

Who was Brian Thompson?

Thompson had been CEO of UnitedHealthcare since 2021, but had been with UnitedHealth Group since 2004, holding various leadership positions for business units including Medicare and employer and individual plans.

According to his LinkedIn page, he graduated from the University of Iowa in 1997 with a bachelor’s degree in business administration and accounting.

He lived in Minnesota, where the company is based, and was a husband and father of two children.

His wife, Paulette, told NBC News that he had recently received threats.

What happens next in this case?

Mangione is currently taking place in Pennsylvania. New York law enforcement is developing its own charges against Mangione. It is expected that he will be extradited there, but the exact timing is unclear.

Officers are also investigating whether Mangione may have received help in committing the crime or in escaping police.

As of Monday evening, no attorney was listed for Mangione.