Cops: Man arrested at Va. school called Sandy Hook over 'rifle' scare Christopher Garret Johnson, 33, was detained at Sandy Hook Elementary School in Strasburg, Va., authorities said. By Matthew Stabley, NBCWashington.com WASHINGTON -- A man was arrested after walking into Sandy Hook Elementary School in Strasburg, Va., carrying a 4-foot long two-by-four labeled "High Powered Rifle" on Wednesday, police said. Christopher Garret Johnson, 33, was met by school staff about 11:40 a.m. before being detained by a sheriff's school resource officer, according to the Shenandoah County Sheriff's Office. He was arrested and taken into custody without incident. Read more stories from NBCWashington.com No one was injured, officials said. He may have been trying to make a point about security at the school five days after the massacre at Sandy Hook Elementary School in Newtown, Conn., in which a man shot and killed 20 children and six adults before killing himself.