The parents of a 5-year-old boy who drowned while attending a south Fulton County day camp has filed a wrongful death lawsuit, the family’s attorney said Tuesday.

Benjamin “Kamau” Hosch III died July 21 while attending Camp Cricket at Cochran Mill Nature Center. After a short hike and lunch, the 13 campers in his group, accompanied by three camp staff members, had been allowed to splash in shallow water, according to investigators.

But Kamau somehow wandered away unnoticed by the adults with his group. After he was noticed missing, it took another half-hour to locate him in the water. He was unresponsive and later died at the hospital.

In the lawsuit, filed Tuesday in DeKalb County state court, the Hosch family seeks punitive damages and a trial. The city of Chattahoochee Hills, the nature center, property owners and nature center employees are named in the suit.

“The failure to properly supervise Kamau proximately caused the catastrophic injuries sustained by Kamau an ultimately his death,” the lawsuit states.

Last week, two people in charge of the camp were indicted by a Fulton grand jury.

Terri Clark, the director of the nature center day camp, was indicted on one count of involuntary manslaughter and a misdemeanor reckless conduct charge, Fulton County District Attorney Paul Howard said. The president of the board of directors for the nature center, Maribeth Wansley, faces one misdemeanor count of operating an early childhood learning center without a license.

Ayisat Idris-Hosch is devastated after her son, Benjamin "Kamau" Hosch III died as a result of injuries sustained at a day camp in Chattahoochee Hills on Friday.