UnitedHealthcare CEO murder suspect throws tantrum outside Pennsylvania courthouse

HOLLIDAYSBURG, Pa. (AP) — Luigi Mangione, the man charged with murder in the death of UnitedHealthcare CEO Brian Thompson, broke his day of silence with an outburst as he was escorted into a Pennsylvania courthouse where he contested his arrest .

“It is completely outlandish and an insult to the intelligence of the American people and their lived experience,” Mangione shouted, prompting his detachment of about 10 officers to force him inside.

Mangione wore an orange jumpsuit and appeared unfazed. At the hearing in Blair County Court around 2 p.m., he was seen whispering to his attorney, Thomas Dickey, glancing at reporters and muttering to himself

According to prosecutors, he had $8,000 in cash; $2,000 foreign cash; He was carrying masks and a passport – as well as a “ghost gun” with a silencer that resembled the weapon used to kill Thompson – when he was arrested by police in Altoona on Monday.

MUGSHOT OF SUSPECTED UNITEDHEALTHCARE CEO KILLER LUIGI MANGIONE RELEASED

Dickey argued that his client wore masks because “some people are still afraid of COVID.”

The 26-year-old was refused bail and remains detained at SCI Huntingdon until his lawyer files a writ of habeas corpus challenging whether he is lawfully detained.

Mangione’s lawyers now have 14 days to submit the document. Shortly after the hearing, Blair County District Attorney Peter Weeks said that Mangione’s charges in New York took “priority” over those in Pennsylvania and that his office would do everything it could to facilitate the suspect’s extradition.

Manhattan District Attorney Alvin Bragg said Tuesday that his office could seek a governor’s warrant to extradite Mangione’s return to New York, which would take 30 days.

Mangione was taken into custody after he was recognized by an alert patron at a McDonald’s around 9:15 a.m. Monday. The Ivy League-educated software engineer refused to talk to investigators Monday and was placed in a cell after hours of attempted questioning.

UNITEDHEALTHCARE CEO OF MURDER SUSPECT LUIGI MANGIONE LIVE BLOG

Luigi Mangione in a Pennsylvania mugshot following his arrest in connection with the murder of UnitedHealthcare CEO Brian Thompson. (Obtained from Fox News Digital)

He was arraigned Monday evening in Blair County Court on one count of forgery; New York prosecutors charged him in December 2010 with second-degree murder, second-degree criminal possession of a weapon (loaded firearm), second-degree possession of a forged instrument and third-degree criminal possession of a weapon (silencer of a firearm). 4 death by shooting.

NYPD officers arrived at the Altoona Police Department several hours after Mangione’s arrest on Monday. NYPD sources told Fox News Digital that the suspect did not behave disorderly on his first day in custody and that his behavior changed overnight.

WHO IS LUIGI MANGIONE, SUSPECTED IN THE MURDER OF UNITEDHEALTHCARE CEO?

Mangione’s arrest came after a five-day nationwide manhunt involving the FBI and law enforcement agencies in several states.

WATCH: McDonald’s customer recognized suspect’s backpack and jacket

He was reportedly carrying a manifesto listing his grievances with the healthcare industry when he was arrested.

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After attending a $40,000-a-year private school, the Gilman School in Baltimore, Mangione earned his engineering degree from the University of Pennsylvania and was a member of the Eta Kappa Nu Honor Society for electrical and computer engineering.