A five-day manhunt for the gunman who killed the top executive of the nation’s largest health insurer ended Monday after the suspect was spotted at a McDonald’s hundreds of miles from the crime scene, police said.

Local authorities arrested 26-year-old Luigi Mangione after a customer recognized him while eating at the restaurant in Altoona, Pennsylvania, investigators announced Monday. Police say he was found with a weapon that matched that of the gunman who ambushed 50-year-old Brian Thompson outside a New York City hotel last week.

During a press conference on Wednesday, New York Police Department officials explained officers’ efforts to capture Mangione, the circumstances of his arrest and the next steps for any possible prosecution.

Mangione faces several charges in Pennsylvania, including forgery and carrying a firearm without a license. He will eventually be extradited to New York to face charges there as well, police said.

Here’s what we know so far.

What did police say Mangione had with him?

Mangione was found with a ghost gun – a weapon that can be made at home and is nearly undetectable – and a silencer. He also possessed several fake IDs similar to those believed to have been used by the killer, as well as similar clothing.

One of the fake IDs was the same New Jersey ID that the shooter had used to check into a New York City hostel before the shooting.

Authorities also found a handwritten, three-page document that reflected Mangione’s “motivation and mindset.” Detective Chief Joseph Kenny later said the document made it clear that Mangione “had some ill will toward corporate America,” but did not further describe what was written.

Mangione also had a US passport, but investigators do not believe he had any plans to leave the country. Kenny said he had no criminal record.

Police said investigators were still combing his online accounts for evidence. Kenny said they watched thousands of hours of video and reviewed hundreds of leads over the last five days, using drones, K-9 teams, divers, flyover screens and door-to-door work to track down the suspects find.

The suspect was difficult to identify because he was masked in the surveillance footage. Police released two photos of the back of a taxi on Saturday, showing more of his upper face.

What do we know about Mangione?

Kenny said Mangione was born and raised in Maryland. He comes from a prominent family of the state; One of his cousins ​​is Nino Mangione, the Republican state legislator from Maryland.

Mangione attended the all-boys high school at Gilman School in Baltimore, where he was valedictorian in 2016.

One of his classmates there, Freddie Leatherbury, called him a smart, friendly and athletic student who came from a wealthy family, even by the private school’s standards.

“From what I knew about him in high school, he doesn’t seem like the type of guy to do that,” Leatherbury told The Associated Press. He hasn’t spoken to Mangione since she graduated.

Mangione has a bachelor’s and master’s degree in computer science from the University of Pennsylvania and worked as a data engineer, according to Kenny. He also had ties to San Francisco and was last on record with an address in Honolulu, Hawaii.

An account apparently belonging to Mangione posted an online review of the Unabomber’s manifesto in January, describing the document as revolutionary.

“When all other forms of communication fail, violence is essential to survival,” the Goodreads post says. His account has now been made private.

“’Violence has never solved anything’ is a statement made by cowards and predators.”

Unabomber Ted Kaczynski planted bombs that killed three people and injured nearly two dozen others before he was arrested in 1996. In his manifesto, he blamed industrialization for the destruction of the natural environment. He was sentenced to multiple life sentences and died last year.

Online accounts that appeared to belong to Mangione were flooded with sympathy and praise from users on Monday. The most recent post on an Instagram account was full of comments calling on police to release the “King” or “GOAT” – the acronym for “Greatest of All Time”.

Who was Brian Thompson?

Thompson was CEO of UnitedHealthcare, the insurance arm of UnitedHealth Group, which has about 50 million American customers. The unit had revenue of $281.4 billion in 2023, nearly twice as much as the second-largest U.S. health insurer.

Americans routinely pay more for health care than people in any other country.

Widespread anger over the state of the trillion-dollar industry found a blatant outlet in Thompson’s death in recent days.

The CEO was fatally shot in the back just before 6:45 a.m. ET on Dec. 4 outside New York’s Hilton Midtown, where he was heading to an investor conference.

A Facebook post from UnitedHealth Group mourning Thompson’s death drew tens of thousands of reactions from users – most of them laughing emojis. Some wrote cutting posts pointing out that the $10,000 reward for information about Thompson’s killer was less than their annual deductible, while others discouraged people with information about the shooter’s whereabouts from calling police.

In a statement Monday, a spokesperson for UnitedHealth Group told the AP that the company hopes “today’s concern brings relief to Brian’s family, friends, colleagues and the many others affected by this unspeakable tragedy.”

“We thank law enforcement and will continue to cooperate with them in this investigation. We ask everyone to respect the family’s privacy as they grieve.”