Diary entries written by Luigi Mangione reveal the now 27-year-old’s detailed thinking before the killing of UnitedHealthcare CEO Brian Thompson last year, a new court filing shows., Luigi Mangione's diary entries unveiled in court documents Prosecutors say the writings show that the "murder of Brian Thompson was intended to bring about revolutionary change to the healthcare , Luigi Mangione allegedly had writings in a backpack found when he was arrested in Altoona, Pennsylvania in December 2024. In a court filing this week, Mangione’s attorney said the use of the , What did Luigi Mangione state in his writings? According to NBC News, citing the NYPD, Mangione had three pages of writings on him that totaled less than 300 words when he was taken into custody., Luigi Mangione, the 26-year-old Ivy League graduate from a Maryland real estate family charged with murder in UnitedHealthcare CEO Brian Thompson's death, left writings that say in part, "frankly , Luigi Mangione, the suspected While Mangione apologizes "for any strife" he might've caused, he seemingly hints at the shooting of Thompson, writing, "These parasites simply had it coming.".