Salvador Ramos updated his Facebook friends on his day as he shot his grandmother, then killed 21 people at a Texas elementary school, police said Wednesday. Ramos, 18, warned on Facebook that he planned to shoot up an elementary school Tuesday, barely 30 minutes before he drove down the road to Robb Elementary School and opened fire, Steve McCraw, the director of the Texas Department of Public Safety said during a news conference with state and local officials. “I’m going to shoot my grandmother,” read the first post. “I shot my grandmother,” read the second. “I’m going to shoot an elementary…
