Jillian Olson Obituary, Lexington County Sheriff’s Department Officer died during dive team training on Lake Murray last night
It is with profound sadness that the Lexington County Sheriff’s Department confirms the line-of-duty death of Master Deputy Jillian Olson. Deputy Olson tragically lost her life during a dive team training exercise on Lake Murray.

Master Deputy Olson made the ultimate sacrifice while honing the specialized skills required for her demanding role. Her participation in the training exemplified the courage, dedication, and selflessness that defined her service. Dive team members routinely face inherent risks, not only in rescue and recovery missions but also in the rigorous preparation necessary to perform them. Deputy Olson’s commitment to this vital function underscored her unwavering willingness to put the safety of others before her own.
Sheriff Jay Koon and the entire Lexington County Sheriff’s Department are grappling with this devastating loss. Deputy Olson’s positive impact on her agency and the community she served will leave a lasting legacy. Her death is a stark reminder of the dangers law enforcement officers voluntarily confront daily, even in training scenarios designed to enhance public safety.
The law enforcement family across the region has united in grief. Sheriff Will Montgomery and the Fairfield County Sheriff’s Office have extended their deepest condolences and prayers to Deputy Olson’s personal family, her colleagues, and all who knew her.
In this time of immense sorrow, the community is asked to keep Master Deputy Jillian Olson’s loved ones and her entire law enforcement family in their thoughts and prayers. Rest easy, Master Deputy Olson. Your watch has ended, but your service and sacrifice will never be forgotten.