The gunman who killed four in Bend, Ore., entered an elementary school by shooting through a locked door, raising questions about what more schools can do to protect children.
The state has passed restrictive measures popular among gun safety activists. The Silver Rail Elementary School shooting seemed poised to set off conversations about gun control.
A 16-year-old boy entered Silver Rail Elementary School in Bend, Ore., on Thursday by shooting at locked doors with a long gun, the authorities said, before killing three children and a teacher.