The man accused of gunning down a health insurance executive in a brazen hit in New York that sparked fierce debate about the industry pleaded not guilty Monday to state charges including “terrorist” murder.

"Insanity may be his only defense," former federal prosecutor Neama Rahmani told Newsweek, referring to Luigi Mangione.

Luigi Mangione's attorney made light of New York Mayor Eric Adams' legal troubles while calling out the "perp walk" photo op.

The NYPD does not disseminate arrest photos unless we are attempting to locate an individual,” the department told VERIFY. Inconsistencies in the image point to AI.

There are many ways to go viral on social media, but one Broward resident had a sure fire idea: a tattoo of Luigi Mangione, the man accused of assassinating UnitedHealthcare CEO Brian Thompson.

Luigi Mangione's lawyer Karen Agnifilo called out New York City's Mayor Eric Adams for subjecting the accused murderer of "perp walks" she says are "unconstitutional.”

Luigi Mangione pleaded not guilty to face murder charges that could land him in prison for the rest of his life in New York state court on Monday morning, where his lawyers say any potential jury would be prejudiced by the cinematic perp walk to which he arrived in New York City.

Luigi Mangione, the suspect in the fatal shooting of UnitedHealthcare CEO Brian Thompson on a busy sidewalk in Midtown Manhattan, is expected to be arraigned early Monday morning in New York on state murder and terror charges.

Luigi Mangione was led into New York criminal court in chains, surrounded by a massive security detail, on Monday. Once inside the courtroom, he pleaded not guilty to 11 counts, including murder in the first degree,

The city's police department earlier this month said crime was down year-over-year, including on the city's transit system.

Luigi Mangione is now expected to face federal chargers in connection with the killing UnitedHealthcare CEO Brian Thompson in addition to state charges in New York and Pennsylvania, a Justice Department source confirms.