Luigi Mangione is expected to plead guilty as early as Friday in the federal case accusing him of stalking and killing UnitedHealthcare CEO Brian Thompson, a stunning development in a case that rattled business leaders while galvanizing their critics, according to a person familiar with the matter.

A judge has delayed Luigi Mangione’s federal trial in the killing of UnitedHealthcare CEO Brian Thompson.

A hearing in Luigi Mangione’s state murder case in the killing of UnitedHealthcare CEO Brian Thompson was postponed until Wednesday after prosecutors said they failed to inform his jailors that he was needed in court.

Luigi Mangione’s state and federal trials in the killing of UnitedHealthcare CEO Brian Thompson have both been postponed, with the state case delayed until September and the federal case pushed back to October.

Luigi Mangione’s lawyers have asked a judge to postpone his federal trial in the killing of UnitedHealthcare CEO Brian Thompson until early next year and say they will seek to have his state murder trial delayed until September.

Luigi Mangione spoke out in court against the prospect of back-to-back trials in the killing of UnitedHealthcare CEO Brian Thompson.

A federal judge says federal prosecutors can’t seek the death penalty against Luigi Mangione in the killing of UnitedHealthcare CEO Brian Thompson.

Authorities say a man claiming to be an FBI agent showed up to a federal jail in New York City and told officers he had a court order to release Luigi Mangione.

Manhattan prosecutors are urging a judge to set a July 1 trial date in Luigi Mangione’s state murder case in the killing of UnitedHealthcare CEO Brian Thompson, two months before the slated start of jury selection in his federal death penalty case.

Luigi Mangione’s federal death penalty trial in the killing of UnitedHealthcare CEO Brian Thompson could begin before the end of the year.

Federal prosecutors are slamming Luigi Mangione’s lawyers for making what the government said were “meritless” and “misleading” claims about Attorney General Pam Bondi’s ties to a lobbying firm and her decision to seek the death penalty against Mangione in the killing of UnitedHealthcare CEO Brian Thompson.

Luigi Mangione’s lawyers contend that Attorney General Pam Bondi’s decision to seek the death penalty against him in the killing of UnitedHealthcare CEO Brian Thompson was tainted by her prior work as a lobbyist at a firm that represented the insurer’s parent company.

Luigi Mangione’s lawyers are urging a judge to bar federal prosecutors from seeking the death penalty in the killing of UnitedHealthcare CEO Brian Thompson.

Luigi Mangione has pleaded not guilty to a federal murder charge in the killing of UnitedHealthcare CEO Brian Thompson, as prosecutors formally declared their intent to seek the death penalty against him.