School gates unlocked. School entrances unmanned. A school resource officer who chose not to confront a shooter. These failures highlight some of the catastrophic mistakes made on February 14, 2018 that enabled a determined school shooter to get on the Marjory Stoneman Douglas High School campus and carry out a violent attack. Since that day the siren has sounded across the nation for enhanced school safety measures to deter or prevent the next school shooting. This episode explores the question — what’s changed with school safety since Parkland?