The Florida Department of Corrections says a man who was 17 when he was involved in a gang-related killing has died in prison. Eric Justice was the youngest of four men convicted in the shooting death of Mark Williams whose body was found along State Road 85 in January of 2015. He had been shot seven times. Justice pled guilty to second-degree murder and was sentenced to 25 years in prison. A spokesman for the Florida Department of Corrections said Justice was pronounced dead at the Holmes Correctional Institution on April 24th. The circumstances of his death have not been released and the Department of Corrections says his death remains under investigation.