Luigi Mangione pleaded guilty to federal stalking charges on the morning of the report, and supporters responded by adding roughly $1,000 to his GiveSendGo legal fund within hours. The campaign has collected more than $1.56 million since launching in December 2024. Supporters continued posting messages of loyalty on the fundraiser after the plea, with some saying Mangione did what he believed was necessary and promising to keep writing to him in prison. The online response shows that Mangione's fan base has not disappeared despite his admission in court that he killed UnitedHealthcare CEO Brian Thompson with a 3-D printed gun. What Happens to Luigi Mangione Now? Mangione pleaded guilty to interstate stalking resulting in death and stalking through interstate facilities resulting in death in the federal case. Federal sentencing guidelines reportedly point to a range of 24 to 30 years or more, and the judge said Mangione would have to serve 85% of the sentence; a 24-year term would mean at least 20 years behind bars. Mangione's attorney Karen Friedman Agnifilo said after the hearing that her client had lived with severe pain for years after breaking his back and believed the healthcare and insurance system had ruined his life. Mangione's defense team has also asked a judge to dismiss the New York state murder case, arguing that the state prosecution duplicates the federal case and violates double jeopardy protections.