Surveillance cameras and metal detectors: These are just some of the technologies Prince George's County Public Schools are using to keep kids safe. News4 spoke to Gary Cunningham, the director of safety and security for the school system, about his biggest safety challenge. WATCH HERE WATCH HERE“Violence in the schools is always a safety concern, so we believe that if kids don't feel safe, they can't learn. The school district began putting metal detectors in schools in 2023. “I think they need to have more police presence, like, more metal detectors,” one parent said.