Luigi Mangione is set to return to court on Monday to address crucial hearings regarding the admissibility of evidence in his case. These proceedings mark a significant step in the legal process as the court will deliberate on what can be presented during the trial.

Last week, Mangione’s legal team requested the presiding judge to impose restrictions on how certain evidence is presented during the upcoming pre-trial hearing. Their objective is to prevent the hearing from evolving into what they describe as a “public mini-trial,” which could potentially bias the jury against Mangione.

Judge Gregory Carro has allocated several days, starting Monday, to consider arguments about whether specific evidence should be suppressed. This decision will play a pivotal role in shaping the trial’s progression.

Mangione, who has entered a plea of not guilty in the case of UnitedHealthcare CEO Brian Thompson’s murder, is seeking to block the prosecution from presenting a red notebook. This notebook was reportedly found in his backpack during his arrest in Altoona, Pennsylvania. The defense is determined to exclude this piece of evidence from the trial.

The defense team is also challenging the admissibility of statements made by Mangione to the police. They argue that law enforcement violated his constitutional rights by interrogating him without issuing Miranda warnings, thus infringing upon the Fifth Amendment. Additionally, they claim that the search of his property was conducted without a warrant, breaching the Fourth Amendment.

In a letter submitted last Tuesday, Mangione’s attorneys urged the judge to bar the prosecution from revealing the notebook’s contents during the hearing. They contend that making the contents public could irrevocably prejudice Mangione in his forthcoming trials. Furthermore, the defense seeks to prevent witnesses from labeling the writings as a “manifesto,” which could influence public perception and the jury’s impartiality.

Many of Mangione’s writings are already public and police and prosecutors have pointed to them as they work to establish motive.

“I finally feel confident about what I will do,” one entry in the notebook said. “The target is insurance. It checks every box.”

The district attorney’s office has said the Altoona Police Department acted lawfully when it seized Mangione’s property.

Defense attorneys said they intend to Altoona Police Cpl. Garrett Trent and Patrolman Randy Miller. They asked the judge to force prosecutors to disclose their full list of witnesses.