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Closing Arguments Begin in Trial of Man Accused of Killing NYPD Detective
Guy Rivera faces murder charges for the 2024 shooting death of Detective Jonathan Diller during a Queens traffic stop.
Mar. 31, 2026 at 12:06pm
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The trial of a man accused of killing an NYPD detective has drawn intense scrutiny, exposing the dangers officers face and the complex relationship between law enforcement and the communities they serve.NYC TodayClosing arguments are set to begin on Tuesday in the trial of Guy Rivera, the 36-year-old man accused of fatally shooting New York Police Detective Jonathan Diller during a traffic stop in Queens in 2024. Rivera has pleaded not guilty to multiple charges, including the murder of a police officer. Diller's lawyers claim Rivera was spotted with what appeared to be a gun before the shooting, while the defense argues the shooting was an unintentional discharge.
Why it matters
The trial has drawn significant attention, with dozens of officers packing the courtroom to show their support for the slain detective. Diller's death was a tragic loss for the NYPD and the local community, and the outcome of this trial will have major implications for public trust in law enforcement and the justice system.
The details
According to prosecutors, Diller and his partner pulled over a car in Far Rockaway on March 25, 2024. Rivera, the passenger in the car, allegedly ignored repeated orders from the officers to roll down the window, not put his hands in his pocket, and get out of the vehicle. Rivera then allegedly shot Diller after he was pulled from the car. The defense claims the shooting was an unintentional discharge that occurred as Sgt. Sasha Rosen was pulling at Rivera's arm, with his finger on the trigger.
- The incident occurred on March 25, 2024.
- Closing arguments in the trial are set to begin on Tuesday, March 31, 2026.
The players
Guy Rivera
A 36-year-old man accused of fatally shooting NYPD Detective Jonathan Diller during a traffic stop in Queens in 2024. He has pleaded not guilty to multiple charges, including the murder of a police officer.
Jonathan Diller
A 31-year-old NYPD officer who was posthumously promoted to detective after he was killed in the line of duty in 2024.
Stephanie Diller
The wife of the late Detective Jonathan Diller, who testified at the trial about the last moments she shared with her husband before he went to work on the day he was killed.
Sasha Rosen
An NYPD sergeant who was involved in the traffic stop that led to the shooting of Detective Diller.
What they’re saying
“I love you, too. Be safe, always.”
— Stephanie Diller, Wife of Detective Jonathan Diller
What’s next
The judge will make a final ruling on the case after hearing closing arguments from both the prosecution and defense.
The takeaway
This high-profile trial has highlighted the dangers that police officers face in the line of duty and the ongoing tensions between law enforcement and the communities they serve. The outcome will have significant implications for public trust in the justice system and the accountability of law enforcement.
