His company, ZeroEyes, seeks to fight the American scourge of school shooters ... expandable safe room installed inside the classroom. It's floor-to-ceiling, bullet-resistant and roomy enough ...

DPS board members say that a whistleblower told them that students of color were being locked inside the room ... safety threat, saying he had concerns about student privacy laws. The DPS school ...

Officer Tim Liberty is stationed at Edgeworth Elementary School and spends much of his time inside classrooms there, teaching students basic safety concepts ... s sensory room to let kids work ...