Murder Trial Opens in 2024 Killing of NYPD Officer Jonathan Diller

In Queens Supreme Court on Tuesday, prosecutors opened the first‑degree murder trial of 35‑year‑old Guy Rivera, accused of fatally shooting NYPD Officer Jonathan Diller during a March 25, 2024 traffic stop in Far Rockaway. Assistant District Attorney Ken Zawistouski told jurors that Rivera, seated in the passenger seat of a parked car, pulled a gun and fired three shots, with one round entering beneath Diller’s ballistic vest, ripping through his abdomen and severing his iliac artery, before Diller managed in his final moments to wrest the weapon away. Rivera, described by police as a career criminal with nearly two dozen prior arrests, has pleaded not guilty; his attorney, Erin Darcy, argues the shooting was an “unintentional discharge” as a police sergeant tried to pull Rivera from the vehicle and contends NYPD actions bear responsibility for Diller’s death. Diller’s widow, Stephanie, left the courtroom before body‑camera footage of the shooting and failed resuscitation attempts was played, while a packed gallery of officers—filling two overflow rooms, with several in tears—stood in silent support as the Police Benevolent Association vowed to maintain a constant presence throughout the trial. The case is drawing wide attention as another flashpoint in New York’s fight over repeat violent offenders, sentencing, and officer safety, with social‑media reaction focusing both on Rivera’s criminal record and on the defense’s attempt to shift blame onto police tactics.