Luigi Mangione attends an evidence suppression hearing in the murder of UnitedHealthcare CEO Brian Thompson in Manhattan Supreme Court on December 2, 2025.
curtis means reuters
one minnesota A man was arrested after allegedly showing up at a bar on Wednesday night new york federal prison He identified himself as an FBI agent and said he received a court order from a judge to release an inmate, according to a new criminal complaint filed Thursday. That prisoner is Luigi MangioneA law enforcement official spoke on condition of anonymity because they were not authorized to speak publicly on the matter.
Mangione charged with murder United Healthcare CEO Brian Thompson December 2024, on the streets of downtown Manhattan.
Prosecutors said the Minnesota man, Mark Anderson, 36, of Mankato, produced his Minnesota driver’s license when Bureau of Prisons officers at the Metropolitan Detention Center in Brooklyn asked for his identification. Mangione is being held at the jail without bail.
Anderson also allegedly said there was a weapon in a bag he was carrying.
Inside the bag was a barbecue fork and a round steel blade similar to a pizza cutter, according to a criminal complaint filed by the company. U.S. Attorney’s Office in Brooklyn.
“Anderson also displayed and threw numerous documents at BOP officers,” wrote an FBI agent who signed the indictment.
“I have reviewed these documents and they appear to be relevant to claims filed with the U.S. Department of Justice,” the agent wrote.
Mark Anderson, of Mankato, Minnesota, was allegedly taken into custody on January 28, 2026, at the Metropolitan Detention Center in New York for impersonating an FBI agent, where a barbecue fork, driver’s license and round steel blade were allegedly found on him.
U.S. District Court for the Eastern District of New York
Anderson is charged with impersonating an FBI agent and is scheduled to appear Thursday afternoon in Brooklyn federal court, where he will be charged.
The indictment does not name the inmates Anderson allegedly wanted released. But law enforcement officials confirmed that the man was 27-year-old Mangione.
Anderson traveled to New York City to pursue job opportunities without success and has been working at a pizzeria, according to the person.
Just hours before his arrest, state prosecutors in Manhattan Supreme Court urged a local judge to set Mangioni’s murder trial for July.
Two months later, jury selection begins in the Manhattan federal court case in which Mangione is also charged with multiple crimes in connection with the killing of Thompson, a Minnesota resident whose company was the largest private health insurance company in the United States.
Prosecutors said Mangione stalked Thompson on the morning of December 4, 2024, and then shot him to death. CEO I was walking into a hotel in downtown Manhattan for an investor event hosted by UnitedHealth Group, the parent company of UnitedHealth Group.
Five days after the killing, Mangione was arrested at a McDonald’s in Altoona, Pennsylvania.
He has pleaded not guilty in both cases.
Federal prosecutors are seeking enforcement death penalty That is if Mangione is convicted in their case. The judge in the case is likely to rule this week on whether Mangione faces the death penalty.
Correction: This story has been updated to reflect that the new criminal complaint does not name Anderson, the inmate who was allegedly trying to be released from prison.







