Taquan Ayers allegedly doused the lobby area in gasoline and attempted to light a fire, but he was unsuccessful, according to authorities.
Chief Rigberg also said training requirements have gone up over the years, making it more difficult to find volunteer firefighters who are qualified to perform the duties of the job.
Three people from the Gloucester County Sheriff's Office were injured in an incident at the gun range Friday afternoon.
Chopper video captured the charred vehicle after firefighters extinguished the flames.
State law requires the Attorney General's Office to investigate deadly police encounters and present the findings to a grand jury.
A fire sent people scrambling from multiple townhomes in Winslow Township, New Jersey early Monday morning.