UnitedHealthcare CEO slaying suspect Luigi Mangione's first meal behind bars revealed

When a former Ivy League computer scientist was arrested in connection with the assassination of a health insurance CEO in New York City, police found him shaking in a chair at a McDonald’s in Altoona, Pennsylvania, according to court documents.

After his arrest, he was offered a meal behind bars, which was a slice of pizza that officers shared with him and others at the police station. By this time, he had managed to calm down from his initial nervous state, as reported by a law enforcement source to Fox News Digital.

Even though he exhibited signs of nervousness and shaking during the arrest, once in the jail cell, his behavior seemed relatively calm. The source mentioned that he did not display any signs of anger or fear in that environment.

He also attended the Gilman School, a private prep school in the city, where he was valedictorian in 2016.

He was a periodic poster on Goodreads, the literature-focused social media site, where he wrote a review for a book by Unabomber Ted Kaczynski. 

Luigi Mangione poses with a McDonald's meal

Luigi Mangione poses with a McDonald’s meal in a Facebook photograph posted on Aug. 24, 2019. He was arrested at a McDonald’s in Altoona, Pennsylvania, Monday in connection with the shooting death of UnitedHealthcare CEO Brian Thompson. (Luigi Mangione/Facebook)

Writing about Kaczynski’s “Industrial Society and Its Future,” he quoted another online “take that [he] found interesting.”

“When all other forms of communication fail, violence is necessary to survive,” he wrote. “You may not like his methods, but to see things from his perspective, it’s not terrorism, it’s war and revolution.”

NYPD Chief of Detectives Joseph Kenny told Fox News over the weekend that it was too soon to allege a motive but acknowledged that the suspect did leave potential clues behind.

At the scene, police found bullet casings with handwritten words on them, “depose,” “deny” and “defend,” drawing comparisons to the book “Delay, Deny, Defend: Why Insurance Companies Don’t Pay Claims and What You Can Do About It” – and speculation swirled that the slaying may have grown out of resentment for a denied claim.

The book was not found on Mangione’s Goodreads account when accessed before it was set to private Monday.

Fox News’ David Hammelburg contributed to this report.

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