Summary: The shooting at Marjory Stoneman Douglas High School has developed into a narrative of missed warning signs. Broward County Sheriff Scott Israel announced the latest admission last weeks. The school resource officer on duty Scot Peterson did not enter the building where alleged shooter Nikolas Cruz had opened fire. Peterson heard the shooting and rushed to the building. But he decided to wait outside for four minutes. The shooting lasted about six minutes. According to officials, Peterson was
