The arraignment of Luigi Mangione took center stage in a New York court as he entered a not guilty plea to charges stemming from the murder of UnitedHealthcare CEO Brian Thompson, who was shot dead last December.
Luigi Mangione Pleads Not Guilty in High-Profile Murder Case of UnitedHealthcare CEO

Luigi Mangione Pleads Not Guilty in High-Profile Murder Case of UnitedHealthcare CEO
Luigi Mangione faces federal murder charges for the killing of Brian Thompson, CEO of UnitedHealthcare, with a plea of not guilty as trial preparations commence.
In a courtroom filled with tension, 26-year-old Mangione was handcuffed and donned in prison garb as he addressed the judge, asserting his innocence. Authorities have indicated their intentions to pursue capital punishment, describing Thompson’s death as a politically motivated attack aimed at the healthcare industry.
During the hearing, which lasted approximately 35 minutes, Judge Margaret Garnett worked on organizing a pre-trial schedule amidst ongoing disputes regarding the extensive evidence against Mangione, which includes three terabytes of data. This information spans police footage, social media interactions, financial documents, and additional content from state prosecutors, significantly delaying the trial, now expected in 2026.
Mangione’s defense attorney, Karen Friedman Agnifilo, pressed for a federal trial, citing constitutional concerns if state charges were prioritized. She contested the state’s methods, accusing prosecutors of “eavesdropping” on privileged conversations between Mangione and his legal team. The judge responded by demanding measures be taken to secure Mangione’s access to confidential communication channels.
Public sentiment surrounding the case has been polarized, with a section of the community expressing support for Mangione, viewing him as a folk hero amidst frustrations towards privatized healthcare. His legal defense fund has rapidly accumulated significant financial backing, exceeding $1 million as of recent reports. Prosecutors argue that the circumstances of the case are deeply entwined with broader societal critiques of the health insurance industry, amidst discoveries of shell casings marked with phrases linked to corporate negligence found at the murder scene.
While awaiting trial, Mangione is also contending with state charges in both Pennsylvania and New York, where he previously entered not guilty pleas to various allegations including murder and terrorism. The upcoming federal proceedings are marked by significant attention as both prosecution and defense prepare for a lengthy and complex legal battle.
During the hearing, which lasted approximately 35 minutes, Judge Margaret Garnett worked on organizing a pre-trial schedule amidst ongoing disputes regarding the extensive evidence against Mangione, which includes three terabytes of data. This information spans police footage, social media interactions, financial documents, and additional content from state prosecutors, significantly delaying the trial, now expected in 2026.
Mangione’s defense attorney, Karen Friedman Agnifilo, pressed for a federal trial, citing constitutional concerns if state charges were prioritized. She contested the state’s methods, accusing prosecutors of “eavesdropping” on privileged conversations between Mangione and his legal team. The judge responded by demanding measures be taken to secure Mangione’s access to confidential communication channels.
Public sentiment surrounding the case has been polarized, with a section of the community expressing support for Mangione, viewing him as a folk hero amidst frustrations towards privatized healthcare. His legal defense fund has rapidly accumulated significant financial backing, exceeding $1 million as of recent reports. Prosecutors argue that the circumstances of the case are deeply entwined with broader societal critiques of the health insurance industry, amidst discoveries of shell casings marked with phrases linked to corporate negligence found at the murder scene.
While awaiting trial, Mangione is also contending with state charges in both Pennsylvania and New York, where he previously entered not guilty pleas to various allegations including murder and terrorism. The upcoming federal proceedings are marked by significant attention as both prosecution and defense prepare for a lengthy and complex legal battle.