Pennsylvania prosecutors said Monday that authorities legally detained and collected suspect Luigi Mangione, accused of killing United Health Care CEO Brian Thompson, who arrested him in December 2024 in Altoona, who allegedly fled after committing crimes in New York.
26-year-old Mangione is charged First-degree murder Thompson, 50, was allegedly shot and killed by Thompson, a 50-year-old on a sidewalk in Manhattan on December 4, 2024, in amid terrorist acts, stalking and other state and federal charges in New York and Pennsylvania.
Court documents filed on Monday: “The Commonwealth hates that police always act within the authorities granted by law.”
The document further noted that a 911 call from a local McDonald's manager responded to Altoon's law enforcement officer who said she saw a "look like a CEO shooter in New York" in her location, following the agreement when they approached Mangiang.
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Luigi Mangione appeared in the Manhattan Criminal Court on February 21, 2025. He is accused of killing Brian Thompson, CEO of UnitedHealthCare outside a hotel in New York City last year. (Curtis said/Swimming Pool)
"Officers have legitimate reasonable suspicion to support the investigation of detention to determine who the defendant - Mongiang was and whether he was a homicide suspect; however, the defendant - Mongiang Mangio Volunteered (SIC) to officials who were not forced by the police and were willing to provide them with fake identification." "In fact, the defendants are by no means requested to leave, attempt to leave or attempt to escape from detention."
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Prosecutors further pointed out that once Mangione "has produced fraudulent and forged identities, the encounter immediately rose to the possibility of arrest."
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The filing comes after Mangione's Pennsylvania defense attorney, Thomas Dickey, argued in a March court document that Mangione had been improperly detailed and arrested at the McDonald's, so certain evidence collected during that arrest should not be submitted as evidence against his client, including what he described as a warningless search of the suspect's backpack, statements made to police during his arrest and DNA evidence.
Fox News Digital contacts Dickey.
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UnitedHealthCare CEO Killing Suspect Luigi Mangione was filmed on December 9, 2024 at McDonald's in Altoona, Pennsylvania. (Pennsylvania Police)
Mangione allegedly shot Thompson Outside the Manhattan Hotel at the annual general meeting of shareholders held in the Manhattan Hotel, prosecutors believe that when arrested a few days after Thompson’s murder, prosecutors believed it was based on the suspect’s message to the health insurance industry when the suspect was arrested.
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Mangione clearly expressed dissatisfaction with the healthcare industry in his book - specifically named UnitedHealthCare and the General Meeting, where Thompson led in New York at the time of the assassination.
Luigi Mangione's defense filed a motion to rule out the death penalty in his federal case
Luigi Mangione filmed after an arrest in Pennsylvania murder in connection with UnitedHealthCare CEO Brian Thompson. (Acquired by Fox News Digital)
He allegedly fled New York by bus and arrived at Altoona between Pittsburgh and Harrisburg, before stopping at McDonald's and ordered his death to relax before being arrested.
Under the murder case’s “careful planning” to motivate “public discussion about the health care industry”, it was accused of “careful planning.” U.S. Department of Justice.
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UnitedHealthCare CEO Brian Thompson was killed on December 4, 2024. （AP Photo/UnitedHealth Group）
New York prosecutors said Mangione drew a trip to New York, found Thompson-Minnesota residents in town for UnitedHealthCare's annual shareholder meeting and killed him. Mangione allegedly fired from behind with a 3D printed ghost gun and suppressor.
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The New York Police Department (NYPD) released a still image from the surveillance video showing him pulling his mask down and smiling while flirting with a clerk in the boarding hall of the Manhattan Hotel, who police say he stayed for the murder. It spread and immediately attracted the support of the defendant killer online.
Luigi Mangione shouted while the officer yelled when he arrived at his extradition hearing at Blair County Courthouse in Holydasburg, Pennsylvania on December 10, 2024. (David Dee Delgado for Fox News Digital)
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Originally from Maryland, Mangione recently lived in California and Hawaii. He graduated in 2016 from Gilman School, a private boys high school in Baltimore.
Mangione received her Bachelor’s and Master’s degree in Computer Science from Pennsylvania Ivy League University in 2020.
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Michael Ruiz of Fox News Digital contributed to the report.