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The individual found guilty of the deliberate murder of NYPD Detective Jonathan Diller received a sentence of 115 years to life on Monday. The judge emphasized that the defendant will “undoubtedly spend his final days behind bars.”
Guy Rivera, aged 36, was sentenced in a Queens courtroom following his conviction for aggravated manslaughter and attempted murder. This conviction stemmed from the fatal shooting of the 31-year-old detective during a March 2024 traffic stop in Far Rockaway, as reported by Fox 5 New York and confirmed by the Queens District Attorney’s Office.
In addition to these charges, Rivera was also found guilty of trying to kill NYPD Sgt. Sasha Rosen, who was present at the scene of the shooting.
The courtroom was filled with attendees as Diller’s family members shared heartfelt statements, articulating the profound impact of the loss—an ordeal his widow described as enduring a “life sentence of sorrow.”
During the opening statements of his trial on March 10, 2026, in Queens Criminal Court, Rivera listened intently. He faced charges for the fatal shooting of NYPD Officer Jonathan Diller, who lost his life during a traffic stop in Far Rockaway, Queens, in March 2024. (Dave Sanders/Pool/The New York Times)
Before handing down the sentence, Queens Supreme Court Justice Michael Aloise acknowledged the family’s pain — while underscoring the reality Rivera now faces.
“The defendant killed your loved one… there are no words in the English language that are going to take away the pain and suffering,” Aloise said. “Not even the knowledge that this defendant will most certainly die in a prison cell and I promise you he will.”
Rivera was found guilty earlier this month of aggravated manslaughter, attempted murder of a police officer and multiple weapons charges. However, the jury acquitted him of first-degree murder, a decision that drew fierce backlash from law enforcement officials and the detective’s supporters.
Murder suspect and ex-con Guy Rivera appears for his arraignment in a Queens courtroom on May 7, 2024. Rivera is charged with the murder of NYPD Officer Johnathan Diller and attempted murder of his partner, Sgt. Sasha Rosen. (Fox News)
That verdict has continued to spark backlash.
The split decision came after tense deliberations, with jurors initially sent back after one member broke ranks during polling, forcing further discussion before a final verdict was reached.
Following the verdict, a former NYPD sergeant said on “FOX & Friends First” that jurors “absolutely missed the mark” by rejecting the top charge.
“When you intentionally bring an illegal firearm onto a street, you hold it in your hand, and you pull a trigger, you know the consequences,” Joseph Imperatrice said at the time. “For this jury to turn around and not think for one second that that was murder… that’s intentional, and they absolutely missed the mark here.”
Legal analysts also raised concerns in the days after the verdict.
“You attempted to kill the one officer, but then they struggled with intent on the first-degree charge… it does seem as though there was some misunderstanding as far as the law goes,” Fox News contributor Josh Ritter said.
NYPD officers watch as Lindy Jones is arraigned in court in Queens, N.Y., on Tuesday, April 16, 2024. Jones pleaded not guilty to criminal possession of a weapon related to the shooting death of NYPD Officer Jonathan Diller during a traffic stop last month. (Richard Harbus for Fox News Digital)
According to prosecutors, the deadly encounter unfolded on March 25, 2024, when Diller and members of the NYPD’s Community Response Team approached a suspiciously parked vehicle in Far Rockaway.
Authorities said Rivera ignored repeated commands to exit the vehicle before pulling a .380-caliber handgun and firing, striking Diller in the abdomen below his bulletproof vest.
After shooting Diller, Rivera pointed the gun at Sgt. Rosen and pulled the trigger, but the weapon jammed, prosecutors said. Diller managed to wrestle the gun away before collapsing from his injuries.
A portrait of late NYPD Officer Jonathan Diller is displayed during a candlelight vigil at Brady Park in Massapequa, N.Y., on March 27, 2024. Diller was shot and killed while making a routine traffic stop on March 25 in the Far Rockaway section of Queens. (Shannon Stapleton/Reuters)
He later died at the hospital.
Diller, who had been off duty earlier that day, had been at a park with his wife and young son before being called in.
“The last words Detective Jonathan Diller told his wife were ‘I love you,’” Queens District Attorney Melinda Katz said.
In a statement following the sentencing, Katz said the punishment ensures Rivera “will never be free again to terrorize the streets of New York City.”
“Jonathan Diller represented the very best of law enforcement: courage, commitment and service to community,” she said. “The void left by his senseless loss… is immeasurable.”
In court, Diller’s widow spoke directly about the life that was taken from her family.
“The court has called this manslaughter. But for me, there is nothing lesser about the loss I live with every day,” she said. “There is silence in my home where there should be his voice… I live with conversations that will never happen.”
Widow Stephanie Diller attends the funeral service for NYPD Officer Jonathan Diller at Saint Rose of Lima Roman Catholic Church in Massapequa Park, N.Y., on Saturday, March 30, 2024. Diller was fatally shot during a traffic stop in Queens on Monday by a man with 21 prior arrests. (The Image Direct for Fox News Digital)
His mother also described a life permanently shattered.
“On March 25th, 2024, this defendant made the conscious choice to pull the trigger and take Jonathan’s life, robbing him of his future and destroying my life at the same time,” she said. “Since March 25th, 2024, my world has been completely shattered. Everything feels empty without him.”
“I didn’t just lose my son, I lost watching him continue to grow, to love, to be the incredible father that I knew he would always be,” she continued.
Widow Stephanie Diller and son Ryan Diller attend the funeral service for NYPD Officer Jonathan Diller at Saint Rose of Lima Roman Catholic Church in Massapequa Park, N.Y., on Saturday, March 30, 2024. Diller was fatally shot during a traffic stop in Queens on Monday. (The Image Direct for Fox News Digital)
The case has become a broader symbol of frustration among law enforcement, with critics pointing to repeat offenders and what they describe as failures in the justice system.
Outside court, a large showing of NYPD officers gathered in support of Diller’s family, underscoring the impact the case has had across the department.
Diller was posthumously promoted to Detective First Grade. He is survived by his wife and young son.