At Santa Fe High School, police had an active-shooter plan. Then the fog of chaos descended.May 20, 2018 by quixnet At Santa Fe High School, police had an active-shooter plan. Then the fog of chaos descended.USA TODAYTexas school shooting: Students to return May 29WRAL.comA Texas Town Mourns, And A Nation Struggles To Find New Ground In Gun DebateNPRFull coverage