(CNN) — The most serious charge against the suspect accused of killing the UnitedHealthcare CEO in broad daylight last week on a Manhattan sidewalk is murder in the second-degree, but that charge could be upgraded if prosecutors find evidence to prove he had an intent to commit terrorism by targeting other executives, according to legal analysts.
Investigators say they have mounting evidence against Luigi Mangione, 26, connecting him to the assassination of Brian Thompson on December 4. The 3D-printed gun and fake ID found on him when he was arrested in Pennsylvania on Monday matches three shell casings found at the crime scene, and his fingerprints match those investigators found on items near the scene, according to New York Police Department Commissioner Jessica Tisch. Mangione was also carrying a document, which has been described as a “manifesto” that did not include specific threats but indicated “ill will towards corporate America,” said NYPD …