JSO said they found a male in his 20s inside a car suffering from at least one gunshot wound on Concord Circle E at afternoon.
The victim was transported to a nearby hospital where he later died from his injuries.
JSO is conducting an investigation, talking with neighbors, and searching the area.
Since the incident happened in the daytime and near a park, police said they are hoping someone nearby witnessed something.
JSO asks anyone with any information to contact them at 904-630-0500, or email JSOCrimeTips@JaxSheriff.org. To remain anonymous, call Crime Stoppers at 1-866-845-TIPS (8477).
The Jacksonville Sheriff’s Office has responded to a person shot on Jacksonville’s Northside in the Lake Forest area.
According to JSO, the incident happened on the 7900 block of Concord Circle E, near I-95 and Edgewood Avenue.