An autopsy determined the cause of death as drowning with blunt force trauma of the head and neck, the medical examiner said.
Bentley, of West Haven, was found about 1 a.m. Aug. 1, in the water of Ash Creek behind Chubby’s Bar & Grill at 3488 Fairfield Ave. on the Bridgeport/Fairfield line.
His death was the 11th homicide of the year in Bridgeport.
Bridgeport Police said they received a call regarding the fight and found Bentley floating in the water behind the bar shortly after officers arrived.
Witnesses told police that Bentley and another man had gotten into a fight and both fell into the water. The other individual fled.
Anyone with information regarding this incident is asked to contact the Bridgeport Detective Bureau at 203-581-5201.
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