The incident took place in Norwalk around 1:30 p.m. Tuesday, Sept. 5 at the store on Connecticut Avenue.
According to Norwalk Police Deputy Chief Joe Dinho, officers responded to the store for a report of an unresponsive man in a vehicle.
Upon arrival, officers were able to confirm that the adult individual was dead and was also confirmed by EMS, the chief said.
The Detective Bureau was assigned and responded to the location.
"There were no visible signs of trauma, and the cause of death is not known at this time," Dinho said.
The investigation is ongoing.
This is a developing story. Check back to Daily Voice for updates.
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