Luigi Mangione’s lawyer claims he will be pleading not guilty to the charges he faces in Pennsylvania.

Mangione was arrested in a McDonald’s in Altoona, Pennsylvania on Monday after the shooting of UnitedHealthcare CEO Brian Thompson in New York City.

Mangione is being held without bail in Pennsylvania on charges of possession of an unlicensed firearm, forgery and providing false identification to police. Late Monday, Manhattan prosecutors charged him with five counts, including murder, criminal possession of a weapon and criminal possession of a forged instrument.

“We’ve pled not guilty, at least to the charges in Pennsylvania. Like I said I’m not aware of any actual charges in New York,” Tom Dickey, Mangione’s defense attorney, said.

“I’m telling you as his lawyer, he didn’t have any … representation until I got involved this afternoon. And I’m telling you he’s pleading not guilty.”

Dickey said his client “shut his mouth” after being told to kept quiet following an outburst while they were in court for an extradition hearing on Tuesday, adding: “Which is good, that’s what he needs to do. Hopefully there won’t be anymore of that.”

Mangione’s lawyer believes the suspect should have been granted bail, but he will continue to be housed at a state prison in Huntingdon.

Dickey questioned whether the second-degree murder charge filed in New York might be eligible for bail under Pennsylvania law, but prosecutors raised concerns about both public safety and Mangione being a potential flight risk, and the judge denied it.

“To simply say no bail, with all due respect to the judge, I believe bail should have been set,” Dickey told reporters on Tuesday.

“The judge could set $1 million bail. It could be $5 million bail, but damn it, you get bail. That’s what you do,” he said.

Now, investigators in New York and Pennsylvania are working to piece together why Mangione may have diverged from this path to make the violent and radical decision to gun down UnitedHealthcare CEO Brian Thompson in a brazen attack on a Manhattan street.

The killing sparked widespread discussions about corporate greed, unfairness in the medical insurance industry and even inspired folk-hero sentiment toward his killer.

Peter Weeks, the Blair County district attorney, says he’ll work with New York officials to try to return suspect Luigi Mangione there to face charges.

Weeks said the New York charges are “more serious” than in Blair County.

“We believe their charges take precedent,” Weeks said, promising to do what’s needed to accommodate New York’s prosecution first.

Mangione is being held without bail in Pennsylvania on charges of possession of an unlicensed firearm, forgery and providing false identification to police.

Late Monday, Manhattan prosecutors charged him with five counts, including murder, criminal possession of a weapon and criminal possession of a forged instrument.

Mangione doesn’t yet have a lawyer who can speak on his behalf, court officials said.

Images of Mangione released Tuesday by Pennsylvania State Police showed him pulling down his mask in the corner of the McDonald’s while holding what appeared to be hash browns and wearing a winter jacket and ski cap. In another photo from a holding cell, he stood unsmiling with rumpled hair.

Mangione’s cousin, Maryland lawmaker Nino Mangione, announced Tuesday morning that he’s postponing a fundraiser planned later this week at the Hayfields Country Club north of Baltimore, which was purchased by the Mangione family in 1986.

“Because of the nature of this terrible situation involving my Cousin I do not believe it is appropriate to hold my fundraising event scheduled for this Thursday at Hayfields,” Nino Mangione said in a social media post. “I want to thank you for your thoughts, prayers, and support. My family and I are heartbroken and ask that you remember the family of Mr. Thompson in your prayers. Thank you.”