Update, 12/26/13, 4:05 p.m.: The person found dead in the car has been identified as 60-year-old Stanley Kalisz, according to Shannon Hartley with the Jacksonville Sheriff's Office.
The investigation into Kalisz's death is ongoing, Hartley said.
JACKSONVILLE, Fla. -- The Jacksonville Sheriff's Office is investigating a suspicious death in the 6000 block of Argyle Forest Boulevard after a person was found dead in a vehicle Monday evening.
A witness flagged a police officer at about 6:50 p.m. to report a person who appeared dead in a vehicle parked at the Dollar Tree on Argyle Forest Blvd. Officers at the scene confirmed the person is dead and are continuing to investigate the incident.
First Coast News