The man calling himself David Briscoe appeared in Time as a substitute teacher seemingly in the wrong place at the wrong time; CNN described his heroism as he ordered his students to “get down” and kept them protected until police came; The Wall Street Journal relayed the blood-curdling screams he heard from students in the hallway.” witnessing the carnage in Santa Fe High School as the students and teachers came under attack. The problem with his story is that he wasn’t a teacher at the school and he was never a resident of Texas. There is no record of his...