Speculation is mounting that Luigi Mangione, accused in the assassination of UnitedHealthcare CEO Brian Thompson, may agree to a plea deal in his federal case. A conference scheduled for Friday before a U.S. judge has fueled these discussions, which could have significant implications for Manhattan District Attorney Alvin Bragg's state murder charges.

New York's double jeopardy laws are broader than federal protections, a distinction that has previously aided defendants in similar circumstances. In 2019, former Trump campaign chairman Paul Manafort had state fraud charges dismissed after a federal conviction on similar counts, with a New York judge ruling the state and federal laws were not designed to prevent substantially different harms.

Prosecutors with the Southern District of New York have previously expressed concerns to the state court about the order of trials. In July, they wrote to the judge overseeing Mangione's state case, emphasizing the importance of the state trial proceeding first to safeguard the "just outcome" of their prosecution. The potential for a federal plea agreement to jeopardize the state case is now a central concern.

Donna Rotunno, a defense attorney and Fox News contributor, explained that if Mangione accepts a federal plea, the critical question will be whether New York's double jeopardy law is triggered. She noted that a federal resolution before a state trial could put the state case at risk in a way that a state conviction would not necessarily affect the federal prosecution.

Mangione faces federal charges of stalking resulting in death, which carries a maximum sentence of life in prison without parole. At the state level, he is charged with second-degree murder, punishable by 25 years to life. Legal experts suggest that even with a conviction, Mangione might not receive the maximum sentence due to his lack of prior criminal history, potentially making a plea deal that avoids a life sentence a favorable outcome for the defense.

Mangione has pleaded not guilty to all charges in both cases. He previously voiced frustration in court, calling the prospect of facing separate trials for what he considers the same conduct "double jeopardy."

In a separate development in May, a federal judge ruled some evidence recovered from Mangione's backpack inadmissible at his federal trial, citing concerns about the search's legality. However, the same judge rejected the defense's argument that the stalking charge qualified as a "crime of violence," a distinction that may bolster the Manhattan District Attorney's arguments against a double jeopardy claim.

Todd Blanche, now the U.S. attorney general and formerly Paul Manafort's lawyer, declined to comment on whether the upcoming hearing would involve a plea deal. The exact purpose of Friday's conference remains undisclosed by either the prosecution or the defense.