The three-vehicle crash occurred just before 1:00 p.m. Sunday on Cologne Avenue in front of the Cologne Firehouse in Hamilton Township.
Police say William Liepe, 58, of Mays Landing, was traveling in a Ford Explorer south on Cologne Avenue when he rear-ended a Honda Accord, driven by Max Guzman, 35, of Hammonton.
Guzman was transported to the AtlantiCare Regional Medical Center, City Campus in Atlantic City, for his injuries.
His 11-year-old son, also named Max Guzman, was seated in the front seat of the vehicle. He was flown to Cooper Hospital for serious injuries he sustained.
9-year-old Ryan Schleyer of Hammonton was in the backseat at the time of the crash. He was pronounced dead at the scene. Police say he was wearing a seatbelt.
The investigation revealed that after the impact from the Ford, the Honda entered the northbound lane and into a northbound Cadillac Escalade driven by Rosa Vazquez, 38, of Egg Harbor Township.
Her daughter, Jalyssa Hitchens, 15, was seated in the front seat and complained of shoulder pain.
The driver's 2-year-old son was seated in the backseat and was not admitted to a hospital.
The driver's mother, also named Rosa Vazquez, 71, of Pleasantville was seated in the backseat. Police say she experienced Cardiac issues as a result of the crash.
The incident is currently under investigation. No charges have been filed at this time.
An autopsy is scheduled for 9:00 a.m. Monday.
