Fla. Sheriff's Office Detective Dies Days after On-Duty Heart Attack

St. Lucie County Sheriff's Office Det. Christopher Mock, 45, was known as "an 'awesome detective,' admired for his relentless work ethic, unwavering integrity, and deep compassion," according to his obituary.

Source Officer.com News

Joe Vince

Nov. 3, 2025

2 min read

What to know

St. Lucie County Sheriff’s Det. Christopher Mock, 45, died Oct. 15 after suffering a heart attack days earlier while on duty.
Mock, a 21-year veteran who specialized in digital and cyber investigations, served on the agency's Internet Crimes Against Children Task Force.
He is survived by his wife and two children, and a law enforcement procession was held before his Oct. 23 funeral.

St. Lucie County, FL, Sheriff Office Det. Christopher Mock suffered an on-duty heart attack on Oct. 4 and died Oct. 15. — St. Lucie County, FL, Sheriff's Office Det. Christopher Mock.

A Florida deputy died Oct. 15 after suffering a heart attack days earlier while on duty, according to reports.

St. Lucie County Sheriff's Office Det. Christopher Mock, 45, had joined the agency in 2004 and "was widely known within the department as an 'awesome detective,' admired for his relentless work ethic, unwavering integrity, and deep compassion," his obituary stated. He specialized in digital and cyber investigations, serving with on the agency's Internet Crimes Against Children Task Force.

According to the Officer Down Memorial Page, Mock had responded to a homicide scene Oct. 3. He immediately followed up that call by responding to a suicide call.

On Oct. 4, he suffered a heart attack and was rushed to the hospital. He died Oct. 15.

"Detective Mock served our agency and community with honor, unwavering dedication, professionalism, and integrity," the sheriff's office stated in a social media post. "He was a deeply respected member of our law enforcement family, and his loss will be profoundly felt by all who had the privilege of working beside him."

A procession of law enforcement officers was held before his Oct. 23 funeral.

Mock is survived by his wife and his daughter and son.

About the Author

Joe Vince

Joining Endeavor Business Media in 2018, Joe has worked on the company's city services publications. He began working at OFFICER.com as the assistant editor. Before starting at Endeavor, Joe had worked for a variety of print and online news outlets, including the Indianapolis Star, the South Bend Tribune, Reddit and Patch.com.