LAPD Mourns Sergeant I. Shiou Deng, Killed in Line of Duty in Tragic 405 Freeway Crash
LOS ANGELES, CA — The Los Angeles community and the broader law enforcement family are united in grief following the heartbreaking and untimely loss of Sergeant I. Shiou Deng, a highly respected and dedicated officer of the Los Angeles Police Department, who was tragically killed in the line of duty during a traffic collision on the 405 Freeway in the early morning hours of June 23, 2025.
Sergeant Deng was performing his sworn duty—protecting and serving the people of Los Angeles—when he was involved in a fatal collision that claimed his life. The circumstances surrounding the accident remain under investigation, but what is not in question is the profound loss felt by his colleagues, loved ones, and the countless lives he impacted over the course of his remarkable career.
A Career of Distinguished Service
Sergeant Deng’s service to the City of Los Angeles spanned more than 26 years, marked by unwavering integrity, fearless leadership, and an unyielding commitment to the principles of justice and public safety. Over the years, he became known as a trusted mentor, a steady leader, and a compassionate public servant who always put others before himself.
Throughout his career, Sergeant Deng served in multiple divisions and capacities within the LAPD, earning the admiration of his peers and the trust of the communities he swore to protect. Whether responding to crises, guiding junior officers, or engaging with local residents, Sergeant Deng approached every responsibility with humility and resolve.
“He was the kind of officer you wanted at your side—someone who led with his heart, held himself to the highest standards, and always showed up for those in need,” one fellow officer shared. “He wasn’t just a sergeant—he was the soul of the team.”
A Loss Felt Deeply
In a solemn statement issued by LAPD Chief Jim McDonnell, the department expressed its immense sorrow over Sergeant Deng’s passing:
“It is with profound sadness and a heavy heart that I share the heartbreaking news of the line-of-duty death of Sergeant Shiou Deng… His loss is immeasurable, and the grief we feel is shared not only by the men and women of the LAPD, but by the entire law enforcement family and the residents he served so faithfully.”
Chief McDonnell went on to highlight Sergeant Deng’s courage, compassion, and tireless dedication to the public, calling on the city to honor his legacy and keep his family in their thoughts.
Sergeant Deng leaves behind a grieving family, including his spouse, children, and extended loved ones, as well as countless colleagues and friends within the LAPD who considered him both a leader and a brother.
Honoring His Legacy
Sergeant Deng’s legacy is one of valor, integrity, and service. In a city as vast and complex as Los Angeles, he was a beacon of stability and honor, someone who never wavered in his duty, even in the most challenging circumstances. His loss reminds us of the daily sacrifices made by those in uniform and the deep cost that sometimes comes with that responsibility.
Plans for public memorial services and opportunities for community members to pay their respects will be announced by the department in the coming days. The LAPD has committed to supporting Sergeant Deng’s family during this unimaginably painful time and has asked for privacy on their behalf.
End of Watch, But Never Forgotten
As the flags fly at half-staff across Los Angeles, and black mourning bands are worn across badges in stations throughout the region, the city collectively mourns the passing of a hero—a man who gave his life in service to others.
Sergeant I. Shiou Deng’s name will be etched among the fallen, but his spirit will live on in every officer who walks the beat with courage, every community that continues to feel protected, and every act of service carried out in his honor.
Rest in peace, Sergeant Deng.
Your watch has ended, but your legacy will guide us always.
We will remember. We will honor. We will never forget.
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